71 files changed, 1767 insertions, 278 deletions
diff --git a/sources/lang/_translationstatus.txt b/sources/lang/_translationstatus.txt
index 5573f80..233ed53 100644
--- a/sources/lang/_translationstatus.txt
+++ b/sources/lang/_translationstatus.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 For licensing, see LICENSE.md or http://ckeditor.com/license
 af.js      Found: 62 Missing: 4
diff --git a/sources/lang/af.js b/sources/lang/af.js
index 2cd440d..ea941be 100644
--- a/sources/lang/af.js
+++ b/sources/lang/af.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'af' ] = {
                alignMiddle: 'Middel',
                alignBottom: 'Onder',
                alignNone: 'Geen',
-                invalidValue    : 'Ongeldige waarde',
+                invalidValue: 'Ongeldige waarde',
                invalidHeight: 'Hoogte moet \'n getal wees',
                invalidWidth: 'Breedte moet \'n getal wees.',
                invalidCssLength: 'Die waarde vir die "%1" veld moet \'n posetiewe getal wees met of sonder \'n geldige CSS eenheid (px, %, in, cm, mm, em, ex, pt, of pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'af' ] = {
                cssLengthTooltip: 'Voeg \'n getal wert in pixel in, of \'n waarde met geldige CSS eenheid (px, %, in, cm, mm, em, ex, pt, of pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nie beskikbaar nie</span>'
+                unavailable: '%1<span class="cke_accessibility">, nie beskikbaar nie</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Skuif',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Spasie',
+                        35: 'Einde',
+                        36: 'Tuis',
+                        46: 'Verwyder',
+                        224: 'Bevel'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Sleutel kombenasie'
        }
 };
diff --git a/sources/lang/ar.js b/sources/lang/ar.js
index 4697f91..1412f22 100644
--- a/sources/lang/ar.js
+++ b/sources/lang/ar.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'ar' ] = {
                alignMiddle: 'وسط',
                alignBottom: 'أسفل',
                alignNone: 'None', // MISSING
-                invalidValue    : 'قيمة غير مفبولة.',
+                invalidValue: 'قيمة غير مفبولة.',
                invalidHeight: 'الارتفاع يجب أن يكون عدداً.',
                invalidWidth: 'العرض يجب أن يكون عدداً.',
                invalidCssLength: 'قيمة الخانة المخصصة لـ "%1" يجب أن تكون رقما موجبا، باستخدام أو من غير استخدام وحدة CSS قياس مقبولة (px, %, in, cm, mm, em, ex, pt, or pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ar' ] = {
                cssLengthTooltip: 'أدخل رقما للقيمة بالبكسل أو رقما بوحدة CSS مقبولة (px, %, in, cm, mm, em, ex, pt, or pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, غير متاح</span>'
+                unavailable: '%1<span class="cke_accessibility">, غير متاح</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/az.js b/sources/lang/az.js
new file mode 100644
index 0000000..796fec7
--- /dev/null
+++ b/sources/lang/az.js
@@ -0,0 +1,117 @@
+/**
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+/**
+ * @fileOverview Defines the {@link CKEDITOR.lang} object for the
+ * Azerbaijani language.
+ */
+/**#@+
+   @type String
+   @example
+*/
+/**
+ * Contains the dictionary of language entries.
+ * @namespace
+ */
+CKEDITOR.lang[ 'az' ] = {
+        // ARIA description.
+        editor: 'Mətn Redaktoru',
+        editorPanel: 'Mətn Redaktorun Paneli',
+        // Common messages and labels.
+        common: {
+                // Screenreader titles. Please note that screenreaders are not always capable
+                // of reading non-English words. So be careful while translating it.
+                editorHelp: 'Yardım üçün ALT 0 düymələrini basın',
+                browseServer: 'Fayların siyahı',
+                url: 'URL',
+                protocol: 'Protokol',
+                upload: 'Serverə yüklə',
+                uploadSubmit: 'Göndər',
+                image: 'Şəkil',
+                flash: 'Flash',
+                form: 'Forma',
+                checkbox: 'Çekboks',
+                radio: 'Radio düyməsi',
+                textField: 'Mətn xanası',
+                textarea: 'Mətn',
+                hiddenField: 'Gizli xana',
+                button: 'Düymə',
+                select: 'Opsiyaların seçilməsi',
+                imageButton: 'Şəkil tipli düymə',
+                notSet: '<seçilməmiş>',
+                id: 'Id',
+                name: 'Ad',
+                langDir: 'Yaziların istiqaməti',
+                langDirLtr: 'Soldan sağa (LTR)',
+                langDirRtl: 'Sağdan sola (RTL)',
+                langCode: 'Dilin kodu',
+                longDescr: 'URL-ın ətraflı izahı',
+                cssClass: 'CSS klassları',
+                advisoryTitle: 'Başlıq',
+                cssStyle: 'CSS',
+                ok: 'Tədbiq et',
+                cancel: 'İmtina et',
+                close: 'Bağla',
+                preview: 'Baxış',
+                resize: 'Eni dəyiş',
+                generalTab: 'Əsas',
+                advancedTab: 'Əlavə',
+                validateNumberFailed: 'Rəqəm deyil.',
+                confirmNewPage: 'Yadda saxlanılmamış dəyişikliklər itiriləcək. Davam etmək istədiyinizə əminsinizmi?',
+                confirmCancel: 'Dəyişikliklər edilib. Pəncərəni bağlamaq istəyirsizə əminsinizmi?',
+                options: 'Seçimlər',
+                target: 'Hədəf çərçivə',
+                targetNew: 'Yeni pəncərə (_blank)',
+                targetTop: 'Əsas pəncərə (_top)',
+                targetSelf: 'Carı pəncərə (_self)',
+                targetParent: 'Ana pəncərə (_parent)',
+                langDirLTR: 'Soldan sağa (LTR)',
+                langDirRTL: 'Sağdan sola (RTL)',
+                styles: 'Üslub',
+                cssClasses: 'Üslub klası',
+                width: 'En',
+                height: 'Uzunluq',
+                align: 'Yerləşmə',
+                alignLeft: 'Sol',
+                alignRight: 'Sağ',
+                alignCenter: 'Mərkəz',
+                alignJustify: 'Eninə görə',
+                alignTop: 'Yuxarı',
+                alignMiddle: 'Orta',
+                alignBottom: 'Aşağı',
+                alignNone: 'Yoxdur',
+                invalidValue: 'Yanlışdır.',
+                invalidHeight: 'Hündürlük rəqəm olmalıdır.',
+                invalidWidth: 'En rəqəm olmalıdır.',
+                invalidCssLength: '"%1" xanasında göstərilən məzmun tam və müsbət olmalıdır, CSS-də olan ölçü vahidlərin (px, %, in, cm, mm, em, ex, pt, or pc) istifadısinə icazə verilir.',
+                invalidHtmlLength: '"%1" xanasında göstərilən məzmun tam və müsbət olmalıdır HTML-də olan ölçü vahidlərin (px və ya %) istifadısinə icazə verilir.',
+                invalidInlineStyle: 'Teq içində olan üslub "ad :  məzmun" şəklidə, nöqtə-verqül işarəsi ilə bitməlidir',
+                cssLengthTooltip: 'Piksel sayı və ya digər CSS ölçü vahidləri (px, %, in, cm, mm, em, ex, pt, or pc) daxil edin.',
+                // Put the voice-only part of the label in the span.
+                unavailable: '%1<span class="cke_accessibility">, mövcud deyil</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Boşluq',
+                        35: 'Son',
+                        36: 'Evə',
+                        46: 'Sil',
+                        224: 'Əmr'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Qısayol düymələri'
+        }
+};
diff --git a/sources/lang/bg.js b/sources/lang/bg.js
index 4a0097e..84a1d55 100644
--- a/sources/lang/bg.js
+++ b/sources/lang/bg.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'bg' ] = {
                alignMiddle: 'По средата',
                alignBottom: 'Долу',
                alignNone: 'Без подравняване',
-                invalidValue    : 'Невалидна стойност.',
+                invalidValue: 'Невалидна стойност.',
                invalidHeight: 'Височината трябва да е число.',
                invalidWidth: 'Ширина требе да е число.',
                invalidCssLength: 'Стойността на полето "%1" трябва да бъде положително число с или без валидна CSS измервателна единица (px, %, in, cm, mm, em, ex, pt, или pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'bg' ] = {
                cssLengthTooltip: 'Въведете числена стойност в пиксели или друга валидна CSS единица (px, %, in, cm, mm, em, ex, pt, или pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, недостъпно</span>'
+                unavailable: '%1<span class="cke_accessibility">, недостъпно</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/bn.js b/sources/lang/bn.js
index 9c94383..9c6e69b 100644
--- a/sources/lang/bn.js
+++ b/sources/lang/bn.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'bn' ] = {
                alignMiddle: 'মধ্য',
                alignBottom: 'নীচে',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'bn' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/bs.js b/sources/lang/bs.js
index 49d794e..f214df8 100644
--- a/sources/lang/bs.js
+++ b/sources/lang/bs.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'bs' ] = {
                alignMiddle: 'Sredina',
                alignBottom: 'Dno',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'bs' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/ca.js b/sources/lang/ca.js
index 090c688..5ca9450 100644
--- a/sources/lang/ca.js
+++ b/sources/lang/ca.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,8 +85,8 @@ CKEDITOR.lang[ 'ca' ] = {
                alignTop: 'Superior',
                alignMiddle: 'Centre',
                alignBottom: 'Inferior',
-                alignNone: 'None', // MISSING
+                alignNone: 'Cap',
-                invalidValue    : 'Valor no vàlid.',
+                invalidValue: 'Valor no vàlid.',
                invalidHeight: 'L\'alçada ha de ser un número.',
                invalidWidth: 'L\'amplada ha de ser un número.',
                invalidCssLength: 'El valor especificat per als "%1" camps ha de ser un número positiu amb o sense unitat de mesura vàlida de CSS (px, %, in, cm, mm, em, ex, pt o pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ca' ] = {
                cssLengthTooltip: 'Introduïu un número per un valor en píxels o un número amb una unitat vàlida de CSS (px, %, in, cm, mm, em, ex, pt o pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, no disponible</span>'
+                unavailable: '%1<span class="cke_accessibility">, no disponible</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Retrocés',
+                        13: 'Intro',
+                        16: 'Majúscules',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'Fi',
+                        36: 'Inici',
+                        46: 'Eliminar',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/cs.js b/sources/lang/cs.js
index ece4c6b..b5cf226 100644
--- a/sources/lang/cs.js
+++ b/sources/lang/cs.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'cs' ] = {
                alignMiddle: 'Na střed',
                alignBottom: 'Dolů',
                alignNone: 'Žádné',
-                invalidValue    : 'Neplatná hodnota.',
+                invalidValue: 'Neplatná hodnota.',
                invalidHeight: 'Zadaná výška musí být číslo.',
                invalidWidth: 'Šířka musí být číslo.',
                invalidCssLength: 'Hodnota určená pro pole "%1" musí být kladné číslo bez nebo s platnou jednotkou míry CSS (px, %, in, cm, mm, em, ex, pt, nebo pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'cs' ] = {
                cssLengthTooltip: 'Zadejte číslo jako hodnotu v pixelech nebo číslo s platnou jednotkou CSS (px, %, v cm, mm, em, ex, pt, nebo pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nedostupné</span>'
+                unavailable: '%1<span class="cke_accessibility">, nedostupné</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Mezerník',
+                        35: 'Konec',
+                        36: 'Domů',
+                        46: 'Smazat',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Klávesová zkratka'
        }
 };
diff --git a/sources/lang/cy.js b/sources/lang/cy.js
index 916206e..3f075aa 100644
--- a/sources/lang/cy.js
+++ b/sources/lang/cy.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'cy' ] = {
                alignMiddle: 'Canol',
                alignBottom: 'Gwaelod',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Gwerth annilys.',
+                invalidValue: 'Gwerth annilys.',
                invalidHeight: 'Mae\'n rhaid i\'r uchder fod yn rhif.',
                invalidWidth: 'Mae\'n rhaid i\'r lled fod yn rhif.',
                invalidCssLength: 'Mae\'n rhaid i\'r gwerth ar gyfer maes "%1" fod yn rhif positif gyda neu heb uned fesuriad CSS dilys (px, %, in, cm, mm, em, ex, pt, neu pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'cy' ] = {
                cssLengthTooltip: 'Rhowch rif am werth mewn picsel neu rhif gydag uned CSS dilys (px, %, in, cm, mm, em, pt neu pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, ddim ar gael</span>'
+                unavailable: '%1<span class="cke_accessibility">, ddim ar gael</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/da.js b/sources/lang/da.js
index 46bbe73..9b0a63d 100644
--- a/sources/lang/da.js
+++ b/sources/lang/da.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'da' ] = {
                alignMiddle: 'Centreret',
                alignBottom: 'Nederst',
                alignNone: 'Ingen',
-                invalidValue    : 'Ugyldig værdi.',
+                invalidValue: 'Ugyldig værdi.',
                invalidHeight: 'Højde skal være et tal.',
                invalidWidth: 'Bredde skal være et tal.',
                invalidCssLength: 'Værdien specificeret for "%1" feltet skal være et positivt nummer med eller uden en CSS måleenhed  (px, %, in, cm, mm, em, ex, pt, eller pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'da' ] = {
                cssLengthTooltip: 'Indsæt en numerisk værdi i pixel eller nummer med en gyldig CSS værdi (px, %, in, cm, mm, em, ex, pt, eller pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, ikke tilgængelig</span>'
+                unavailable: '%1<span class="cke_accessibility">, ikke tilgængelig</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Retur',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Mellemrum',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Slet',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Tastatur genvej'
        }
 };
diff --git a/sources/lang/de-ch.js b/sources/lang/de-ch.js
index 5322a81..8f9c196 100644
--- a/sources/lang/de-ch.js
+++ b/sources/lang/de-ch.js
@@ -1,10 +1,10 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
 /**
-* @fileOverview 
+* @fileOverview
 */
 /**#@+
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'de-ch' ] = {
                alignMiddle: 'Mitte',
                alignBottom: 'Unten',
                alignNone: 'Keine',
-                invalidValue    : 'Ungültiger Wert.',
+                invalidValue: 'Ungültiger Wert.',
                invalidHeight: 'Höhe muss eine Zahl sein.',
                invalidWidth: 'Breite muss eine Zahl sein.',
                invalidCssLength: 'Wert spezifiziert für "%1" Feld muss ein positiver numerischer Wert sein mit oder ohne korrekte CSS Messeinheit (px, %, in, cm, mm, em, ex, pt oder pc).',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'de-ch' ] = {
                cssLengthTooltip: 'Gebe eine Zahl ein für ein Wert in pixels oder eine Zahl mit einer korrekten CSS Messeinheit (px, %, in, cm, mm, em, ex, pt oder pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nicht verfügbar</span>'
+                unavailable: '%1<span class="cke_accessibility">, nicht verfügbar</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Rücktaste',
+                        13: 'Eingabe',
+                        16: 'Umschalt',
+                        17: 'Strg',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'Ende',
+                        36: 'Pos1',
+                        46: 'Entfernen',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/de.js b/sources/lang/de.js
index 0d895fd..441179a 100644
--- a/sources/lang/de.js
+++ b/sources/lang/de.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -63,7 +63,7 @@ CKEDITOR.lang[ 'de' ] = {
                generalTab: 'Allgemein',
                advancedTab: 'Erweitert',
                validateNumberFailed: 'Dieser Wert ist keine Nummer.',
-                confirmNewPage: 'Alle nicht gespeicherten Änderungen gehen verlohren. Sind Sie sicher die neue Seite zu laden?',
+                confirmNewPage: 'Alle nicht gespeicherten Änderungen gehen verloren. Sind Sie sicher die neue Seite zu laden?',
                confirmCancel: 'Einige Optionen wurden geändert. Wollen Sie den Dialog dennoch schließen?',
                options: 'Optionen',
                target: 'Zielseite',
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'de' ] = {
                alignMiddle: 'Mitte',
                alignBottom: 'Unten',
                alignNone: 'Keine',
-                invalidValue    : 'Ungültiger Wert.',
+                invalidValue: 'Ungültiger Wert.',
                invalidHeight: 'Höhe muss eine Zahl sein.',
                invalidWidth: 'Breite muss eine Zahl sein.',
                invalidCssLength: 'Wert spezifiziert für "%1" Feld muss ein positiver numerischer Wert sein mit oder ohne korrekte CSS Messeinheit (px, %, in, cm, mm, em, ex, pt oder pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'de' ] = {
                cssLengthTooltip: 'Gebe eine Zahl ein für ein Wert in pixels oder eine Zahl mit einer korrekten CSS Messeinheit (px, %, in, cm, mm, em, ex, pt oder pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nicht verfügbar</span>'
+                unavailable: '%1<span class="cke_accessibility">, nicht verfügbar</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Rücktaste',
+                        13: 'Eingabe',
+                        16: 'Umschalt',
+                        17: 'Strg',
+                        18: 'Alt',
+                        32: 'Leer',
+                        35: 'Ende',
+                        36: 'Pos1',
+                        46: 'Entfernen',
+                        224: 'Befehl'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Tastaturkürzel'
        }
 };
diff --git a/sources/lang/el.js b/sources/lang/el.js
index 255f375..635ce36 100644
--- a/sources/lang/el.js
+++ b/sources/lang/el.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'el' ] = {
                alignMiddle: 'Μέση',
                alignBottom: 'Κάτω',
                alignNone: 'Χωρίς',
-                invalidValue    : 'Μη έγκυρη τιμή.',
+                invalidValue: 'Μη έγκυρη τιμή.',
                invalidHeight: 'Το ύψος πρέπει να είναι ένας αριθμός.',
                invalidWidth: 'Το πλάτος πρέπει να είναι ένας αριθμός.',
                invalidCssLength: 'Η τιμή που ορίζεται για το πεδίο "%1" πρέπει να είναι ένας θετικός αριθμός με ή χωρίς μια έγκυρη μονάδα μέτρησης CSS (px, %, in, cm, mm, em, ex, pt, ή pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'el' ] = {
                cssLengthTooltip: 'Εισάγεται μια τιμή σε pixel ή έναν αριθμό μαζί με μια έγκυρη μονάδα μέτρησης CSS (px, %, in, cm, mm, em, ex, pt, ή pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, δεν είναι διαθέσιμο</span>'
+                unavailable: '%1<span class="cke_accessibility">, δεν είναι διαθέσιμο</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Συντόμευση πληκτρολογίου'
        }
 };
diff --git a/sources/lang/en-au.js b/sources/lang/en-au.js
index 2d29b51..4fc57f0 100644
--- a/sources/lang/en-au.js
+++ b/sources/lang/en-au.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'en-au' ] = {
                alignMiddle: 'Middle', // MISSING
                alignBottom: 'Bottom', // MISSING
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'en-au' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/en-ca.js b/sources/lang/en-ca.js
index 33c6534..42d1aff 100644
--- a/sources/lang/en-ca.js
+++ b/sources/lang/en-ca.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'en-ca' ] = {
                alignMiddle: 'Middle', // MISSING
                alignBottom: 'Bottom', // MISSING
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'en-ca' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/en-gb.js b/sources/lang/en-gb.js
index 1cf67a7..04cc61d 100644
--- a/sources/lang/en-gb.js
+++ b/sources/lang/en-gb.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'en-gb' ] = {
                alignMiddle: 'Middle',
                alignBottom: 'Bottom',
                alignNone: 'None',
-                invalidValue    : 'Invalid value.',
+                invalidValue: 'Invalid value.',
                invalidHeight: 'Height must be a number.',
                invalidWidth: 'Width must be a number.',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'en-gb' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>'
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/en.js b/sources/lang/en.js
index 8d4986d..aa509fe 100644
--- a/sources/lang/en.js
+++ b/sources/lang/en.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'en' ] = {
                alignMiddle: 'Middle',
                alignBottom: 'Bottom',
                alignNone: 'None',
-                invalidValue    : 'Invalid value.',
+                invalidValue: 'Invalid value.',
                invalidHeight: 'Height must be a number.',
                invalidWidth: 'Width must be a number.',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'en' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>'
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut'
        }
 };
diff --git a/sources/lang/eo.js b/sources/lang/eo.js
index 4a25862..4ea1b84 100644
--- a/sources/lang/eo.js
+++ b/sources/lang/eo.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'eo' ] = {
                alignMiddle: 'Centre',
                alignBottom: 'Malsupre',
                alignNone: 'Neniu',
-                invalidValue    : 'Nevalida Valoro',
+                invalidValue: 'Nevalida Valoro',
                invalidHeight: 'Alto devas esti nombro.',
                invalidWidth: 'Larĝo devas esti nombro.',
                invalidCssLength: 'La valoro indikita por la "%1" kampo devas esti pozitiva nombro kun aŭ sen valida CSSmezurunuo (px, %, in, cm, mm, em, ex, pt, or pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'eo' ] = {
                cssLengthTooltip: 'Entajpu nombron por rastrumera valoro aŭ nombron kun valida CSSunuo (px, %, in, cm, mm, em, ex, pt, or pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nehavebla</span>'
+                unavailable: '%1<span class="cke_accessibility">, nehavebla</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Retropaŝo',
+                        13: 'Enigi',
+                        16: 'Registrumo',
+                        17: 'Stirklavo',
+                        18: 'Alt-klavo',
+                        32: 'Spaco',
+                        35: 'Fino',
+                        36: 'Hejmo',
+                        46: 'Forigi',
+                        224: 'Komando'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Fulmoklavo'
        }
 };
diff --git a/sources/lang/es-mx.js b/sources/lang/es-mx.js
new file mode 100644
index 0000000..3b8c1c3
--- /dev/null
+++ b/sources/lang/es-mx.js
@@ -0,0 +1,116 @@
+/**
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+/**
+* @fileOverview 
+*/
+/**#@+
+   @type String
+   @example
+*/
+/**
+ * Contains the dictionary of language entries.
+ * @namespace
+ */
+CKEDITOR.lang[ 'es-mx' ] = {
+        // ARIA description.
+        editor: 'Editor de texto enriquecido',
+        editorPanel: 'Panel del editor de texto',
+        // Common messages and labels.
+        common: {
+                // Screenreader titles. Please note that screenreaders are not always capable
+                // of reading non-English words. So be careful while translating it.
+                editorHelp: 'Presiona ALT + 0 para ayuda',
+                browseServer: 'Examinar servidor',
+                url: 'URL',
+                protocol: 'Protocolo',
+                upload: 'Subir',
+                uploadSubmit: 'Enviar al servidor',
+                image: 'Imagen',
+                flash: 'Flash',
+                form: 'Formulario',
+                checkbox: 'Casilla de verificación',
+                radio: 'Botón de opción',
+                textField: 'Campo de texto',
+                textarea: 'Área de texto',
+                hiddenField: 'Campo oculto',
+                button: 'Botón',
+                select: 'Campo de selección',
+                imageButton: 'Botón de imagen',
+                notSet: '<not set>',
+                id: 'Id',
+                name: 'Nombre',
+                langDir: 'Dirección de idiomas',
+                langDirLtr: 'Izquierda a derecha (LTR)',
+                langDirRtl: 'Derecha a izquierda (RTL)',
+                langCode: 'Código de lenguaje',
+                longDescr: 'URL descripción larga',
+                cssClass: 'Clases de hoja de estilo',
+                advisoryTitle: 'Título del anuncio',
+                cssStyle: 'Estilo',
+                ok: 'OK',
+                cancel: 'Cancelar',
+                close: 'Cerrar',
+                preview: 'Vista previa',
+                resize: 'Redimensionar',
+                generalTab: 'General',
+                advancedTab: 'Avanzada',
+                validateNumberFailed: 'Este valor no es un número.',
+                confirmNewPage: 'Se perderán todos los cambios no guardados en este contenido. ¿Seguro que quieres cargar nueva página?',
+                confirmCancel: 'Ha cambiado algunas opciones. ¿Está seguro de que desea cerrar la ventana de diálogo?',
+                options: 'Opciones',
+                target: 'Objetivo',
+                targetNew: 'Nueva ventana (_blank)',
+                targetTop: 'Ventana superior (_top)',
+                targetSelf: 'Misma ventana (_self)',
+                targetParent: 'Ventana principal (_parent)',
+                langDirLTR: 'Izquierda a Derecha (LTR)',
+                langDirRTL: 'Derecha a Izquierda (RTL)',
+                styles: 'Estilo',
+                cssClasses: 'Clases de hojas de estilo',
+                width: 'Ancho',
+                height: 'Alto',
+                align: 'Alineación',
+                alignLeft: 'Izquierda',
+                alignRight: 'Derecha',
+                alignCenter: 'Centrado',
+                alignJustify: 'Justificado',
+                alignTop: 'Arriba',
+                alignMiddle: 'En medio',
+                alignBottom: 'Abajo',
+                alignNone: 'Ninguno',
+                invalidValue: 'Valor inválido',
+                invalidHeight: 'La altura debe ser un número.',
+                invalidWidth: 'La anchura debe ser un número.',
+                invalidCssLength: 'El valor especificado para el campo "% 1" debe ser un número positivo con o sin una unidad de medida CSS válida (px, %, in, cm, mm, em, ex, pt, or pc).',
+                invalidHtmlLength: 'El valor especificado para el campo "% 1" debe ser un número positivo con o sin una unidad de medición HTML válida (px or %).',
+                invalidInlineStyle: 'El valor especificado para el estilo en línea debe constar de una o más tuplas con el formato de "nombre: valor", separados por punto y coma',
+                cssLengthTooltip: 'Introduzca un número para un valor en píxeles o un número con una unidad CSS válida  (px, %, in, cm, mm, em, ex, pt, or pc).',
+                // Put the voice-only part of the label in the span.
+                unavailable: '%1<span class="cke_accessibility">, no disponible</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Retroceso',
+                        13: 'Intro',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Espacio',
+                        35: 'Fin',
+                        36: 'Inicio',
+                        46: 'Borrar',
+                        224: 'Comando'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Atajo de teclado'
+        }
+};
diff --git a/sources/lang/es.js b/sources/lang/es.js
index 6446830..40d9ae0 100644
--- a/sources/lang/es.js
+++ b/sources/lang/es.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'es' ] = {
                alignMiddle: 'Centro',
                alignBottom: 'Pie',
                alignNone: 'Ninguno',
-                invalidValue    : 'Valor no válido',
+                invalidValue: 'Valor no válido',
                invalidHeight: 'Altura debe ser un número.',
                invalidWidth: 'Anchura debe ser un número.',
                invalidCssLength: 'El valor especificado para el campo "%1" debe ser un número positivo, incluyendo optionalmente una unidad de medida CSS válida (px, %, in, cm, mm, em, ex, pt, o pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'es' ] = {
                cssLengthTooltip: 'Introduca un número para el valor en pixels o un número con una unidad de medida CSS válida (px, %, in, cm, mm, em, ex, pt, o pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, no disponible</span>'
+                unavailable: '%1<span class="cke_accessibility">, no disponible</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Retroceso',
+                        13: 'Ingresar',
+                        16: 'Mayús.',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'Fin',
+                        36: 'Inicio',
+                        46: 'Suprimir',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/et.js b/sources/lang/et.js
index 2ec5b1c..c98ea81 100644
--- a/sources/lang/et.js
+++ b/sources/lang/et.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'et' ] = {
                alignMiddle: 'Keskele',
                alignBottom: 'Alla',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Vigane väärtus.',
+                invalidValue: 'Vigane väärtus.',
                invalidHeight: 'Kõrgus peab olema number.',
                invalidWidth: 'Laius peab olema number.',
                invalidCssLength: '"%1" välja jaoks määratud väärtus peab olema positiivne täisarv CSS ühikuga (px, %, in, cm, mm, em, ex, pt või pc) või ilma.',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'et' ] = {
                cssLengthTooltip: 'Sisesta väärtus pikslites või number koos sobiva CSS-i ühikuga (px, %, in, cm, mm, em, ex, pt või pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, pole saadaval</span>'
+                unavailable: '%1<span class="cke_accessibility">, pole saadaval</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/eu.js b/sources/lang/eu.js
index c0c0476..98b92ef 100644
--- a/sources/lang/eu.js
+++ b/sources/lang/eu.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'eu' ] = {
                alignMiddle: 'Erdian',
                alignBottom: 'Behean',
                alignNone: 'Bat ere ez',
-                invalidValue    : 'Balio desegokia.',
+                invalidValue: 'Balio desegokia.',
                invalidHeight: 'Altuera zenbaki bat izan behar da.',
                invalidWidth: 'Zabalera zenbaki bat izan behar da.',
                invalidCssLength: '"%1" eremurako zehaztutako balioak zenbaki positibo bat izan behar du, CSS neurri unitate batekin edo gabe (px, %, in, cm, mm, em, ex, pt edo pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'eu' ] = {
                cssLengthTooltip: 'Sartu zenbaki bat edo zenbaki bat baliozko CSS unitate batekin (px, %, in, cm, mm, em, ex, pt, edo pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, erabilezina</span>'
+                unavailable: '%1<span class="cke_accessibility">, erabilezina</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Sartu',
+                        16: 'Maius',
+                        17: 'Ktrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'Buka',
+                        36: 'Etxea',
+                        46: 'Ezabatu',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/fa.js b/sources/lang/fa.js
index 22c5349..3540510 100644
--- a/sources/lang/fa.js
+++ b/sources/lang/fa.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'fa' ] = {
                alignMiddle: 'میانه',
                alignBottom: 'پائین',
                alignNone: 'هیچ',
-                invalidValue    : 'مقدار نامعتبر.',
+                invalidValue: 'مقدار نامعتبر.',
                invalidHeight: 'ارتفاع باید یک عدد باشد.',
                invalidWidth: 'عرض باید یک عدد باشد.',
                invalidCssLength: 'عدد تعیین شده برای فیلد "%1" باید یک عدد مثبت با یا بدون یک واحد اندازه گیری CSS معتبر باشد (px, %, in, cm, mm, em, ex, pt, or pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'fa' ] = {
                cssLengthTooltip: 'یک عدد برای یک مقدار بر حسب پیکسل و یا یک عدد با یک واحد CSS معتبر وارد کنید (px, %, in, cm, mm, em, ex, pt, or pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">، غیر قابل دسترس</span>'
+                unavailable: '%1<span class="cke_accessibility">، غیر قابل دسترس</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'عقبگرد',
+                        13: 'ورود',
+                        16: 'تعویض',
+                        17: 'کنترل',
+                        18: 'دگرساز',
+                        32: 'Space', // MISSING
+                        35: 'پایان',
+                        36: 'خانه',
+                        46: 'حذف',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/fi.js b/sources/lang/fi.js
index b7587ab..d10adab 100644
--- a/sources/lang/fi.js
+++ b/sources/lang/fi.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'fi' ] = {
                alignMiddle: 'Keskelle',
                alignBottom: 'Alas',
                alignNone: 'Ei asetettu',
-                invalidValue    : 'Virheellinen arvo.',
+                invalidValue: 'Virheellinen arvo.',
                invalidHeight: 'Korkeuden täytyy olla numero.',
                invalidWidth: 'Leveyden täytyy olla numero.',
                invalidCssLength: 'Kentän "%1" arvon täytyy olla positiivinen luku CSS mittayksikön (px, %, in, cm, mm, em, ex, pt tai pc) kanssa tai ilman.',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'fi' ] = {
                cssLengthTooltip: 'Anna numeroarvo pikseleinä tai numeroarvo CSS mittayksikön kanssa (px, %, in, cm, mm, em, ex, pt, tai pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, ei saatavissa</span>'
+                unavailable: '%1<span class="cke_accessibility">, ei saatavissa</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/fo.js b/sources/lang/fo.js
index 195454f..205b20f 100644
--- a/sources/lang/fo.js
+++ b/sources/lang/fo.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'fo' ] = {
                alignMiddle: 'Miðja',
                alignBottom: 'Botnur',
                alignNone: 'Eingin',
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Hædd má vera eitt tal.',
                invalidWidth: 'Breidd má vera eitt tal.',
                invalidCssLength: 'Virðið sett í "%1" feltið má vera eitt positivt tal, við ella uttan gyldugum CSS mátieind (px, %, in, cm, mm, em, ex, pt, ella pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'fo' ] = {
                cssLengthTooltip: 'Skriva eitt tal fyri eitt virði í pixels ella eitt tal við gyldigum CSS eind (px, %, in, cm, mm, em, ex, pt, ella pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, ikki tøkt</span>'
+                unavailable: '%1<span class="cke_accessibility">, ikki tøkt</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/fr-ca.js b/sources/lang/fr-ca.js
index a5f6279..2702f0c 100644
--- a/sources/lang/fr-ca.js
+++ b/sources/lang/fr-ca.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'fr-ca' ] = {
                alignMiddle: 'Milieu',
                alignBottom: 'Bas',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Valeur invalide.',
+                invalidValue: 'Valeur invalide.',
                invalidHeight: 'La hauteur doit être un nombre.',
                invalidWidth: 'La largeur doit être un nombre.',
                invalidCssLength: 'La valeur spécifiée pour le champ "%1" doit être un nombre positif avec ou sans unité de mesure CSS valide (px, %, in, cm, mm, em, ex, pt, ou pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'fr-ca' ] = {
                cssLengthTooltip: 'Entrer un nombre pour la valeur en pixel ou un nombre avec une unité CSS valide (px, %, in, cm, mm, em, ex, pt, ou pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, indisponible</span>'
+                unavailable: '%1<span class="cke_accessibility">, indisponible</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/fr.js b/sources/lang/fr.js
index 416ad76..5cd39b0 100644
--- a/sources/lang/fr.js
+++ b/sources/lang/fr.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -19,16 +19,16 @@
 */
 CKEDITOR.lang[ 'fr' ] = {
        // ARIA description.
-        editor: 'Éditeur de Texte Enrichi',
+        editor: 'Éditeur de texte enrichi',
        editorPanel: 'Tableau de bord de l\'éditeur de texte enrichi',
        // Common messages and labels.
        common: {
                // Screenreader titles. Please note that screenreaders are not always capable
                // of reading non-English words. So be careful while translating it.
-                editorHelp: 'Appuyez sur ALT-0 pour l\'aide',
+                editorHelp: 'Utilisez le raccourci Alt-0 pour obtenir de l\'aide',
-                browseServer: 'Explorer le serveur',
+                browseServer: 'Parcourir le serveur',
                url: 'URL',
                protocol: 'Protocole',
                upload: 'Télécharger',
@@ -37,42 +37,42 @@ CKEDITOR.lang[ 'fr' ] = {
                flash: 'Flash',
                form: 'Formulaire',
                checkbox: 'Case à cocher',
-                radio: 'Bouton Radio',
+                radio: 'Bouton radio',
                textField: 'Champ texte',
                textarea: 'Zone de texte',
-                hiddenField: 'Champ caché',
+                hiddenField: 'Champ invisible',
                button: 'Bouton',
                select: 'Liste déroulante',
-                imageButton: 'Bouton image',
+                imageButton: 'Bouton avec image',
-                notSet: '<non défini>',
+                notSet: '<indéfini>',
-                id: 'Id',
+                id: 'ID',
                name: 'Nom',
                langDir: 'Sens d\'écriture',
                langDirLtr: 'Gauche à droite (LTR)',
                langDirRtl: 'Droite à gauche (RTL)',
                langCode: 'Code de langue',
-                longDescr: 'URL de description longue (longdesc => malvoyant)',
+                longDescr: 'URL de description longue',
-                cssClass: 'Classe CSS',
+                cssClass: 'Classes de style',
-                advisoryTitle: 'Description (title)',
+                advisoryTitle: 'Infobulle',
                cssStyle: 'Style',
                ok: 'OK',
                cancel: 'Annuler',
                close: 'Fermer',
                preview: 'Aperçu',
-                resize: 'Déplacer pour modifier la taille',
+                resize: 'Redimensionner',
                generalTab: 'Général',
                advancedTab: 'Avancé',
                validateNumberFailed: 'Cette valeur n\'est pas un nombre.',
-                confirmNewPage: 'Les changements non sauvegardés seront perdus. Êtes-vous sûr de vouloir charger une nouvelle page?',
+                confirmNewPage: 'Les changements non sauvegardés seront perdus. Êtes-vous sûr de vouloir charger une nouvelle page ?',
-                confirmCancel: 'Certaines options ont été modifiées. Êtes-vous sûr de vouloir fermer?',
+                confirmCancel: 'Certaines options ont été modifiées. Êtes-vous sûr de vouloir fermer ?',
                options: 'Options',
-                target: 'Cible (Target)',
+                target: 'Cible',
                targetNew: 'Nouvelle fenêtre (_blank)',
                targetTop: 'Fenêtre supérieure (_top)',
                targetSelf: 'Même fenêtre (_self)',
                targetParent: 'Fenêtre parent (_parent)',
-                langDirLTR: 'Gauche à Droite (LTR)',
+                langDirLTR: 'Gauche à droite (LTR)',
-                langDirRTL: 'Droite à Gauche (RTL)',
+                langDirRTL: 'Droite à gauche (RTL)',
                styles: 'Style',
                cssClasses: 'Classes de style',
                width: 'Largeur',
@@ -80,21 +80,38 @@ CKEDITOR.lang[ 'fr' ] = {
                align: 'Alignement',
                alignLeft: 'Gauche',
                alignRight: 'Droite',
-                alignCenter: 'Centré',
+                alignCenter: 'Centrer',
                alignJustify: 'Justifier',
                alignTop: 'Haut',
                alignMiddle: 'Milieu',
                alignBottom: 'Bas',
                alignNone: 'Aucun',
-                invalidValue    : 'Valeur incorrecte.',
+                invalidValue: 'Valeur invalide.',
                invalidHeight: 'La hauteur doit être un nombre.',
                invalidWidth: 'La largeur doit être un nombre.',
-                invalidCssLength: 'La valeur spécifiée pour le champ "%1" doit être un nombre positif avec ou sans unité de mesure CSS valide (px, %, in, cm, mm, em, ex, pt, ou pc).',
+                invalidCssLength: 'La valeur spécifiée pour le champ « %1 » doit être un nombre positif avec ou sans unité de mesure CSS valide (px, %, in, cm, mm, em, ex, pt, ou pc).',
-                invalidHtmlLength: 'La valeur spécifiée pour le champ "%1" doit être un nombre positif avec ou sans unité de mesure HTML valide (px ou %).',
+                invalidHtmlLength: 'La valeur spécifiée pour le champ « %1 » doit être un nombre positif avec ou sans unité de mesure HTML valide (px ou %).',
-                invalidInlineStyle: 'La valeur spécifiée pour le style inline doit être composée d\'un ou plusieurs couples de valeur au format "nom : valeur", separés par des points-virgules.',
+                invalidInlineStyle: 'La valeur spécifiée pour le style en ligne doit être composée d\'un ou plusieurs couples au format « nom : valeur », séparés par des points-virgules.',
                cssLengthTooltip: 'Entrer un nombre pour une valeur en pixels ou un nombre avec une unité de mesure CSS valide (px, %, in, cm, mm, em, ex, pt, ou pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, Indisponible</span>'
+                unavailable: '%1<span class="cke_accessibility">, indisponible</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Retour arrière',
+                        13: 'Entrée',
+                        16: 'Majuscule',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Espace',
+                        35: 'Fin',
+                        36: 'Origine',
+                        46: 'Supprimer',
+                        224: 'Commande'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Raccourci clavier'
        }
 };
diff --git a/sources/lang/gl.js b/sources/lang/gl.js
index 95e779d..092db98 100644
--- a/sources/lang/gl.js
+++ b/sources/lang/gl.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'gl' ] = {
                alignMiddle: 'Centro',
                alignBottom: 'Abaixo',
                alignNone: 'Ningún',
-                invalidValue    : 'Valor incorrecto.',
+                invalidValue: 'Valor incorrecto.',
                invalidHeight: 'O alto debe ser un número.',
                invalidWidth: 'O largo debe ser un número.',
                invalidCssLength: 'O valor especificado para o campo «%1» debe ser un número positivo con ou sen unha unidade de medida CSS correcta (px, %, in, cm, mm, em, ex, pt, ou pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'gl' ] = {
                cssLengthTooltip: 'Escriba un número para o valor en píxeles ou un número cunha unidade CSS correcta (px, %, in, cm, mm, em, ex, pt, ou pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, non dispoñíbel</span>'
+                unavailable: '%1<span class="cke_accessibility">, non dispoñíbel</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Ir atrás',
+                        13: 'Intro',
+                        16: 'Maiús',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Espazo',
+                        35: 'Fin',
+                        36: 'Inicio',
+                        46: 'Supr',
+                        224: 'Orde'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Atallo de teclado'
        }
 };
diff --git a/sources/lang/gu.js b/sources/lang/gu.js
index 5e17553..17862d0 100644
--- a/sources/lang/gu.js
+++ b/sources/lang/gu.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'gu' ] = {
                alignMiddle: 'વચ્ચે',
                alignBottom: 'નીચે',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'ઉંચાઈ એક આંકડો હોવો જોઈએ.',
                invalidWidth: 'પોહળ ઈ એક આંકડો હોવો જોઈએ.',
                invalidCssLength: '"%1" ની વેલ્યુ એક પોસીટીવ આંકડો હોવો જોઈએ અથવા CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc) વગર.',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'gu' ] = {
                cssLengthTooltip: 'પિક્ષ્લ્ નો આંકડો CSS unit (px, %, in, cm, mm, em, ex, pt, or pc) માં નાખો.',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, નથી મળતું</span>'
+                unavailable: '%1<span class="cke_accessibility">, નથી મળતું</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/he.js b/sources/lang/he.js
index 59e1711..27b57bd 100644
--- a/sources/lang/he.js
+++ b/sources/lang/he.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'he' ] = {
                alignMiddle: 'לאמצע',
                alignBottom: 'לתחתית',
                alignNone: 'None', // MISSING
-                invalidValue    : 'ערך לא חוקי.',
+                invalidValue: 'ערך לא חוקי.',
                invalidHeight: 'הגובה חייב להיות מספר.',
                invalidWidth: 'הרוחב חייב להיות מספר.',
                invalidCssLength: 'הערך שצוין לשדה "%1" חייב להיות מספר חיובי עם או ללא יחידת מידה חוקית של CSS (px, %, in, cm, mm, em, ex, pt, או pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'he' ] = {
                cssLengthTooltip: 'יש להכניס מספר המייצג פיקסלים או מספר עם יחידת גליונות סגנון תקינה (px, %, in, cm, mm, em, ex, pt, או pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, לא זמין</span>'
+                unavailable: '%1<span class="cke_accessibility">, לא זמין</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'End',
+                        36: 'Home',
+                        46: 'מחק',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/hi.js b/sources/lang/hi.js
index bd6ca83..e0b29a3 100644
--- a/sources/lang/hi.js
+++ b/sources/lang/hi.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'hi' ] = {
                alignMiddle: 'मध्य',
                alignBottom: 'नीचे',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'hi' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/hr.js b/sources/lang/hr.js
index 52db970..7bf089e 100644
--- a/sources/lang/hr.js
+++ b/sources/lang/hr.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,8 +85,8 @@ CKEDITOR.lang[ 'hr' ] = {
                alignTop: 'Vrh',
                alignMiddle: 'Sredina',
                alignBottom: 'Dolje',
-                alignNone: 'None', // MISSING
+                alignNone: 'Bez poravnanja',
-                invalidValue    : 'Neispravna vrijednost.',
+                invalidValue: 'Neispravna vrijednost.',
                invalidHeight: 'Visina mora biti broj.',
                invalidWidth: 'Širina mora biti broj.',
                invalidCssLength: 'Vrijednost određena za "%1" polje mora biti pozitivni broj sa ili bez važećih CSS mjernih jedinica (px, %, in, cm, mm, em, ex, pt ili pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'hr' ] = {
                cssLengthTooltip: 'Unesite broj za vrijednost u pikselima ili broj s važećim CSS mjernim jedinicama (px, %, in, cm, mm, em, ex, pt ili pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nedostupno</span>'
+                unavailable: '%1<span class="cke_accessibility">, nedostupno</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Prečica na tipkovnici'
        }
 };
diff --git a/sources/lang/hu.js b/sources/lang/hu.js
index 91746f1..6f6e91e 100644
--- a/sources/lang/hu.js
+++ b/sources/lang/hu.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,8 +85,8 @@ CKEDITOR.lang[ 'hu' ] = {
                alignTop: 'Tetejére',
                alignMiddle: 'Középre',
                alignBottom: 'Aljára',
-                alignNone: 'None', // MISSING
+                alignNone: 'Semmi',
-                invalidValue    : 'Érvénytelen érték.',
+                invalidValue: 'Érvénytelen érték.',
                invalidHeight: 'A magasság mezőbe csak számokat írhat.',
                invalidWidth: 'A szélesség mezőbe csak számokat írhat.',
                invalidCssLength: '"%1"-hez megadott érték csakis egy pozitív szám lehet, esetleg egy érvényes CSS egységgel megjelölve(px, %, in, cm, mm, em, ex, pt vagy pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'hu' ] = {
                cssLengthTooltip: 'Adjon meg egy számot értéknek pixelekben vagy egy számot érvényes CSS mértékegységben (px, %, in, cm, mm, em, ex, pt, vagy pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nem elérhető</span>'
+                unavailable: '%1<span class="cke_accessibility">, nem elérhető</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Gyorsbillentyű'
        }
 };
diff --git a/sources/lang/id.js b/sources/lang/id.js
index f48c51b..86e7076 100644
--- a/sources/lang/id.js
+++ b/sources/lang/id.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -19,7 +19,7 @@
 CKEDITOR.lang[ 'id' ] = {
        // ARIA description.
        editor: 'Rich Text Editor',
-        editorPanel: 'Rich Text Editor panel', // MISSING
+        editorPanel: 'Panel Rich Text Editor',
        // Common messages and labels.
        common: {
@@ -60,16 +60,16 @@ CKEDITOR.lang[ 'id' ] = {
                preview: 'Pratinjau',
                resize: 'Ubah ukuran',
                generalTab: 'Umum',
-                advancedTab: 'Advanced', // MISSING
+                advancedTab: 'Lebih Lanjut',
                validateNumberFailed: 'Nilai ini tidak sebuah angka',
                confirmNewPage: 'Semua perubahan yang tidak disimpan di konten ini akan hilang. Apakah anda yakin ingin memuat halaman baru?',
                confirmCancel: 'Beberapa opsi telah berubah. Apakah anda yakin ingin menutup dialog?',
                options: 'Opsi',
                target: 'Sasaran',
                targetNew: 'Jendela Baru (_blank)',
-                targetTop: 'Topmost Window (_top)', // MISSING
+                targetTop: 'Laman Atas (_top)',
                targetSelf: 'Jendela yang Sama (_self)',
-                targetParent: 'Parent Window (_parent)', // MISSING
+                targetParent: 'Jendela Induk (_parent)',
                langDirLTR: 'Kiri ke Kanan (LTR)',
                langDirRTL: 'Kanan ke Kiri (RTL)',
                styles: 'Gaya',
@@ -84,16 +84,33 @@ CKEDITOR.lang[ 'id' ] = {
                alignTop: 'Atas',
                alignMiddle: 'Tengah',
                alignBottom: 'Bawah',
-                alignNone: 'None', // MISSING
+                alignNone: 'Tidak ada',
-                invalidValue    : 'Nilai tidak sah.',
+                invalidValue: 'Nilai tidak sah.',
                invalidHeight: 'Tinggi harus sebuah angka.',
                invalidWidth: 'Lebar harus sebuah angka.',
                invalidCssLength: 'Nilai untuk "%1" harus sebuah angkat positif dengan atau tanpa pengukuran unit CSS yang sah (px, %, in, cm, mm, em, ex, pt, or pc).',
                invalidHtmlLength: 'Nilai yang dispesifikasian untuk kolom "%1" harus sebuah angka positif dengan atau tanpa sebuah unit pengukuran HTML (px atau %) yang valid.',
-                invalidInlineStyle: 'Value specified for the inline style must consist of one or more tuples with the format of "name : value", separated by semi-colons.', // MISSING
+                invalidInlineStyle: 'Nilai pada inline style merupakan pasangan nama dan nilai dengan format "nama : nilai", yang dipisahkan dengan titik dua.',
                cssLengthTooltip: 'Masukkan sebuah angka untuk sebuah nilai dalam pixel atau sebuah angka dengan unit CSS yang sah (px, %, in, cm, mm, em, ex, pt, or pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, tidak tersedia</span>'
+                unavailable: '%1<span class="cke_accessibility">, tidak tersedia</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Spasi',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Hapus',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Pintasan Keyboard'
        }
 };
diff --git a/sources/lang/is.js b/sources/lang/is.js
index ecdb318..256b667 100644
--- a/sources/lang/is.js
+++ b/sources/lang/is.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'is' ] = {
                alignMiddle: 'Miðjuð',
                alignBottom: 'Neðst',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'is' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/it.js b/sources/lang/it.js
index 5c7863f..8229aad 100644
--- a/sources/lang/it.js
+++ b/sources/lang/it.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'it' ] = {
                alignMiddle: 'Centrato',
                alignBottom: 'In Basso',
                alignNone: 'Nessuno',
-                invalidValue    : 'Valore non valido.',
+                invalidValue: 'Valore non valido.',
                invalidHeight: 'L\'altezza dev\'essere un numero',
                invalidWidth: 'La Larghezza dev\'essere un numero',
                invalidCssLength: 'Il valore indicato per il campo "%1" deve essere un numero positivo con o senza indicazione di una valida unità di misura per le classi CSS (px, %, in, cm, mm, em, ex, pt, o pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'it' ] = {
                cssLengthTooltip: 'Inserisci un numero per il valore in pixel oppure un numero con una valida unità CSS (px, %, in, cm, mm, ex, pt, o pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, non disponibile</span>'
+                unavailable: '%1<span class="cke_accessibility">, non disponibile</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Invio',
+                        16: 'Maiusc',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Spazio',
+                        35: 'Fine',
+                        36: 'Inizio',
+                        46: 'Canc',
+                        224: 'Comando'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Scorciatoia da tastiera'
        }
 };
diff --git a/sources/lang/ja.js b/sources/lang/ja.js
index 50df2a2..17dcefc 100644
--- a/sources/lang/ja.js
+++ b/sources/lang/ja.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -62,7 +62,7 @@ CKEDITOR.lang[ 'ja' ] = {
                resize: 'ドラッグしてリサイズ',
                generalTab: '全般',
                advancedTab: '高度な設定',
-                validateNumberFailed: '値が数ではありません',
+                validateNumberFailed: '値が数値ではありません',
                confirmNewPage: '変更内容を保存せず、 新しいページを開いてもよろしいでしょうか？',
                confirmCancel: 'オプション設定を変更しました。ダイアログを閉じてもよろしいでしょうか？',
                options: 'オプション',
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'ja' ] = {
                alignMiddle: '中央',
                alignBottom: '下',
                alignNone: 'なし',
-                invalidValue    : '不正な値です。',
+                invalidValue: '不正な値です。',
                invalidHeight: '高さは数値で入力してください。',
                invalidWidth: '幅は数値で入力してください。',
                invalidCssLength: '入力された "%1" 項目の値は、CSSの大きさ(px, %, in, cm, mm, em, ex, pt, または pc)が正しいものである/ないに関わらず、正の値である必要があります。',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ja' ] = {
                cssLengthTooltip: 'ピクセル数もしくはCSSにセットできる数値を入力してください。(px,%,in,cm,mm,em,ex,pt,or pc)',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, 利用不可能</span>'
+                unavailable: '%1<span class="cke_accessibility">, 利用不可能</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'キーボードショートカット'
        }
 };
diff --git a/sources/lang/ka.js b/sources/lang/ka.js
index a327959..999132e 100644
--- a/sources/lang/ka.js
+++ b/sources/lang/ka.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'ka' ] = {
                alignMiddle: 'შუა',
                alignBottom: 'ქვემოთა',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'სიმაღლე რიცხვით უნდა იყოს წარმოდგენილი.',
                invalidWidth: 'სიგანე რიცხვით უნდა იყოს წარმოდგენილი.',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ka' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, მიუწვდომელია</span>'
+                unavailable: '%1<span class="cke_accessibility">, მიუწვდომელია</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/km.js b/sources/lang/km.js
index 5006686..b9908d9 100644
--- a/sources/lang/km.js
+++ b/sources/lang/km.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'km' ] = {
                alignMiddle: 'កណ្តាល',
                alignBottom: 'ខាងក្រោម',
                alignNone: 'គ្មាន',
-                invalidValue    : 'តម្លៃមិនត្រឹមត្រូវ។',
+                invalidValue: 'តម្លៃមិនត្រឹមត្រូវ។',
                invalidHeight: 'តម្លៃកំពស់ត្រូវតែជាលេខ។',
                invalidWidth: 'តម្លៃទទឹងត្រូវតែជាលេខ។',
                invalidCssLength: 'តម្លៃកំណត់សម្រាប់វាល "%1" ត្រូវតែជាលេខវិជ្ជមាន ដោយភ្ជាប់ឬមិនភ្ជាប់ជាមួយនឹងឯកតារង្វាស់របស់ CSS (px, %, in, cm, mm, em, ex, pt ឬ pc) ។',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'km' ] = {
                cssLengthTooltip: 'បញ្ចូលលេខសម្រាប់តម្លៃជាភិចសែល ឬលេខដែលមានឯកតាត្រឹមត្រូវរបស់ CSS (px, %, in, cm, mm, em, ex, pt ឬ pc) ។',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, មិនមាន</span>'
+                unavailable: '%1<span class="cke_accessibility">, មិនមាន</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'លុបថយក្រោយ',
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'ចុង',
+                        36: 'ផ្ទះ',
+                        46: 'លុប',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/ko.js b/sources/lang/ko.js
index 43a6f80..fe575d9 100644
--- a/sources/lang/ko.js
+++ b/sources/lang/ko.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -28,7 +28,7 @@ CKEDITOR.lang[ 'ko' ] = {
                // of reading non-English words. So be careful while translating it.
                editorHelp: '도움이 필요하면 ALT 0 을 누르세요',
-                browseServer: '서버 보기',
+                browseServer: '서버 탐색',
                url: 'URL',
                protocol: '프로토콜',
                upload: '업로드',
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'ko' ] = {
                alignMiddle: '중간',
                alignBottom: '아래',
                alignNone: '기본',
-                invalidValue    : '잘못된 값.',
+                invalidValue: '잘못된 값.',
                invalidHeight: '높이는 숫자여야 합니다.',
                invalidWidth: '넓이는 숫자여야 합니다.',
                invalidCssLength: '"%1" 값은 유효한 CSS 측정 단위(px, %, in, cm, mm, em, ex, pt, or pc)를 포함하거나 포함하지 않은 양수 여야 합니다.',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ko' ] = {
                cssLengthTooltip: '픽셀 단위의 숫자만 입력하시거나 유효한 CSS 단위(px, %, in, cm, mm, em, ex, pt, or pc)와 함께 숫자를 입력해주세요.',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, 사용불가</span>'
+                unavailable: '%1<span class="cke_accessibility">, 사용불가</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: '백스페이스',
+                        13: '엔터',
+                        16: '시프트',
+                        17: '컨트롤',
+                        18: '알트',
+                        32: '간격',
+                        35: '엔드',
+                        36: '홈',
+                        46: '딜리트',
+                        224: '커맨드'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: '키보드 단축키'
        }
 };
diff --git a/sources/lang/ku.js b/sources/lang/ku.js
index 0ed14a4..171059b 100644
--- a/sources/lang/ku.js
+++ b/sources/lang/ku.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'ku' ] = {
                alignMiddle: 'ناوەند',
                alignBottom: 'ژێرەوە',
                alignNone: 'هیچ',
-                invalidValue    : 'نرخێکی نادرووست.',
+                invalidValue: 'نرخێکی نادرووست.',
                invalidHeight: 'درێژی دەبێت ژمارە بێت.',
                invalidWidth: 'پانی دەبێت ژمارە بێت.',
                invalidCssLength: 'ئەم نرخەی دراوە بۆ خانەی "%1" دەبێت ژمارەکی درووست بێت یان بێ ناونیشانی ئامرازی (px, %, in, cm, mm, em, ex, pt, یان pc).',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'ku' ] = {
                cssLengthTooltip: 'ژمارەیەك بنووسه‌ بۆ نرخی piksel یان ئامرازێکی درووستی CSS (px, %, in, cm, mm, em, ex, pt, یان pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, ئامادە نیە</span>'
+                unavailable: '%1<span class="cke_accessibility">, ئامادە نیە</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'فەرمان'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'کورتبڕی تەختەکلیل'
        }
 };
diff --git a/sources/lang/lt.js b/sources/lang/lt.js
index 9c0c384..e6d9d7f 100644
--- a/sources/lang/lt.js
+++ b/sources/lang/lt.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'lt' ] = {
                alignMiddle: 'Vidurį',
                alignBottom: 'Apačią',
                alignNone: 'Niekas',
-                invalidValue    : 'Neteisinga reikšmė.',
+                invalidValue: 'Neteisinga reikšmė.',
                invalidHeight: 'Aukštis turi būti nurodytas skaičiais.',
                invalidWidth: 'Plotis turi būti nurodytas skaičiais.',
                invalidCssLength: 'Reikšmė nurodyta "%1" laukui, turi būti teigiamas skaičius su arba be tinkamo CSS matavimo vieneto (px, %, in, cm, mm, em, ex, pt arba pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'lt' ] = {
                cssLengthTooltip: 'Įveskite reikšmę pikseliais arba skaičiais su tinkamu CSS vienetu (px, %, in, cm, mm, em, ex, pt arba pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, netinkamas</span>'
+                unavailable: '%1<span class="cke_accessibility">, netinkamas</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/lv.js b/sources/lang/lv.js
index e89bf62..1759e6c 100644
--- a/sources/lang/lv.js
+++ b/sources/lang/lv.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'lv' ] = {
                alignMiddle: 'Vertikāli centrēts',
                alignBottom: 'Apakšā',
                alignNone: 'Nekas',
-                invalidValue    : 'Nekorekta vērtība',
+                invalidValue: 'Nekorekta vērtība',
                invalidHeight: 'Augstumam jābūt skaitlim.',
                invalidWidth: 'Platumam jābūt skaitlim',
                invalidCssLength: 'Laukam "%1" norādītajai vērtībai jābūt pozitīvam skaitlim ar vai bez korektām CSS mērvienībām (px, %, in, cm, mm, em, ex, pt, vai pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'lv' ] = {
                cssLengthTooltip: 'Ievadiet vērtību pikseļos vai skaitli ar derīgu CSS mērvienību (px, %, in, cm, mm, em, ex, pt, vai pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nav pieejams</span>'
+                unavailable: '%1<span class="cke_accessibility">, nav pieejams</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/mk.js b/sources/lang/mk.js
index bc7b06c..750da11 100644
--- a/sources/lang/mk.js
+++ b/sources/lang/mk.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'mk' ] = {
                alignMiddle: 'Средина',
                alignBottom: 'Доле',
                alignNone: 'Никое',
-                invalidValue    : 'Невалидна вредност',
+                invalidValue: 'Невалидна вредност',
                invalidHeight: 'Височината мора да биде број.',
                invalidWidth: 'Широчината мора да биде број.',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'mk' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/mn.js b/sources/lang/mn.js
index ca5d749..c5854a1 100644
--- a/sources/lang/mn.js
+++ b/sources/lang/mn.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'mn' ] = {
                alignMiddle: 'Дунд',
                alignBottom: 'Доод талд',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Өндөр нь тоо байх ёстой.',
                invalidWidth: 'Өргөн нь тоо байх ёстой.',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'mn' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/ms.js b/sources/lang/ms.js
index 5267301..764e92f 100644
--- a/sources/lang/ms.js
+++ b/sources/lang/ms.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'ms' ] = {
                alignMiddle: 'Pertengahan',
                alignBottom: 'Bawah',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Nilai tidak sah.',
+                invalidValue: 'Nilai tidak sah.',
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ms' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/nb.js b/sources/lang/nb.js
index 6036b2e..e27c582 100644
--- a/sources/lang/nb.js
+++ b/sources/lang/nb.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -48,8 +48,8 @@ CKEDITOR.lang[ 'nb' ] = {
                id: 'Id',
                name: 'Navn',
                langDir: 'Språkretning',
-                langDirLtr: 'Venstre til høyre (VTH)',
+                langDirLtr: 'Venstre til høyre (LTR)',
-                langDirRtl: 'Høyre til venstre (HTV)',
+                langDirRtl: 'Høyre til venstre (RTL)',
                langCode: 'Språkkode',
                longDescr: 'Utvidet beskrivelse',
                cssClass: 'Stilarkklasser',
@@ -68,7 +68,7 @@ CKEDITOR.lang[ 'nb' ] = {
                options: 'Valg',
                target: 'Mål',
                targetNew: 'Nytt vindu (_blank)',
-                targetTop: 'Hele vindu (_top)',
+                targetTop: 'Hele vinduet (_top)',
                targetSelf: 'Samme vindu (_self)',
                targetParent: 'Foreldrevindu (_parent)',
                langDirLTR: 'Venstre til høyre (VTH)',
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'nb' ] = {
                alignMiddle: 'Midten',
                alignBottom: 'Bunn',
                alignNone: 'Ingen',
-                invalidValue    : 'Ugyldig verdi.',
+                invalidValue: 'Ugyldig verdi.',
                invalidHeight: 'Høyde må være et tall.',
                invalidWidth: 'Bredde må være et tall.',
                invalidCssLength: 'Den angitte verdien for feltet "%1" må være et positivt tall med eller uten en gyldig CSS-målingsenhet (px, %, in, cm, mm, em, ex, pt, eller pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'nb' ] = {
                cssLengthTooltip: 'Skriv inn et tall for en piksel-verdi eller et tall med en gyldig CSS-enhet (px, %, in, cm, mm, em, ex, pt, eller pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, utilgjenglig</span>'
+                unavailable: '%1<span class="cke_accessibility">, utilgjenglig</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Mellomrom',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Tastatursnarvei'
        }
 };
diff --git a/sources/lang/nl.js b/sources/lang/nl.js
index 873d2b8..5f1f251 100644
--- a/sources/lang/nl.js
+++ b/sources/lang/nl.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'nl' ] = {
                alignMiddle: 'Midden',
                alignBottom: 'Onder',
                alignNone: 'Geen',
-                invalidValue    : 'Ongeldige waarde.',
+                invalidValue: 'Ongeldige waarde.',
                invalidHeight: 'De hoogte moet een getal zijn.',
                invalidWidth: 'De breedte moet een getal zijn.',
                invalidCssLength: 'Waarde in veld "%1" moet een positief nummer zijn, met of zonder een geldige CSS meeteenheid (px, %, in, cm, mm, em, ex, pt of pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'nl' ] = {
                cssLengthTooltip: 'Geef een nummer in voor een waarde in pixels of geef een nummer in met een geldige CSS eenheid (px, %, in, cm, mm, em, ex, pt, of pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, niet beschikbaar</span>'
+                unavailable: '%1<span class="cke_accessibility">, niet beschikbaar</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Spatie',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Verwijderen',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Sneltoets'
        }
 };
diff --git a/sources/lang/no.js b/sources/lang/no.js
index 5c0e9fb..87691f9 100644
--- a/sources/lang/no.js
+++ b/sources/lang/no.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'no' ] = {
                alignMiddle: 'Midten',
                alignBottom: 'Bunn',
                alignNone: 'Ingen',
-                invalidValue    : 'Ugyldig verdi.',
+                invalidValue: 'Ugyldig verdi.',
                invalidHeight: 'Høyde må være et tall.',
                invalidWidth: 'Bredde må være et tall.',
                invalidCssLength: 'Den angitte verdien for feltet "%1" må være et positivt tall med eller uten en gyldig CSS-målingsenhet (px, %, in, cm, mm, em, ex, pt, eller pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'no' ] = {
                cssLengthTooltip: 'Skriv inn et tall for en piksel-verdi eller et tall med en gyldig CSS-enhet (px, %, in, cm, mm, em, ex, pt, eller pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, utilgjenglig</span>'
+                unavailable: '%1<span class="cke_accessibility">, utilgjenglig</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/oc.js b/sources/lang/oc.js
new file mode 100644
index 0000000..a78420f
--- /dev/null
+++ b/sources/lang/oc.js
@@ -0,0 +1,117 @@
+/**
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+/**
+ * @fileOverview Defines the {@link CKEDITOR.lang} object for the Occitan
+ *              language.
+ */
+/**#@+
+   @type String
+   @example
+*/
+/**
+ * Contains the dictionary of language entries.
+ * @namespace
+ */
+CKEDITOR.lang[ 'oc' ] = {
+        // ARIA description.
+        editor: 'Editor de tèxte enriquit',
+        editorPanel: 'Tablèu de bòrd de l\'editor de tèxte enriquit',
+        // Common messages and labels.
+        common: {
+                // Screenreader titles. Please note that screenreaders are not always capable
+                // of reading non-English words. So be careful while translating it.
+                editorHelp: 'Utilisatz l\'acorchi Alt-0 per obténer d\'ajuda',
+                browseServer: 'Percórrer lo servidor',
+                url: 'URL',
+                protocol: 'Protocòl',
+                upload: 'Mandar',
+                uploadSubmit: 'Mandar sul servidor',
+                image: 'Imatge',
+                flash: 'Flash',
+                form: 'Formulari',
+                checkbox: 'Casa de marcar',
+                radio: 'Boton ràdio',
+                textField: 'Camp  tèxte',
+                textarea: 'Zòna de tèxte',
+                hiddenField: 'Camp invisible',
+                button: 'Boton',
+                select: 'Lista desenrotlanta',
+                imageButton: 'Boton amb imatge',
+                notSet: '<indefinit>',
+                id: 'Id',
+                name: 'Nom',
+                langDir: 'Sens d\'escritura',
+                langDirLtr: 'Esquèrra a dreita (LTR)',
+                langDirRtl: 'Dreita a esquèrra (RTL)',
+                langCode: 'Còdi de lenga',
+                longDescr: 'URL de descripcion longa',
+                cssClass: 'Classas d\'estil',
+                advisoryTitle: 'Infobulla',
+                cssStyle: 'Estil',
+                ok: 'D\'acòrdi',
+                cancel: 'Anullar',
+                close: 'Tampar',
+                preview: 'Previsualizar',
+                resize: 'Redimensionar',
+                generalTab: 'General',
+                advancedTab: 'Avançat',
+                validateNumberFailed: 'Aquesta valor es pas un nombre.',
+                confirmNewPage: 'Los cambiaments pas salvats seràn perduts. Sètz segur que volètz cargar una novèla pagina ?',
+                confirmCancel: 'Certanas opcions son estadas modificadas. Sètz segur que volètz tampar ?',
+                options: 'Opcions',
+                target: 'Cibla',
+                targetNew: 'Novèla fenèstra (_blank)',
+                targetTop: 'Fenèstra superiora (_top)',
+                targetSelf: 'Meteissa fenèstra (_self)',
+                targetParent: 'Fenèstra parent (_parent)',
+                langDirLTR: 'Esquèrra a dreita (LTR)',
+                langDirRTL: 'Dreita a esquèrra (RTL)',
+                styles: 'Estil',
+                cssClasses: 'Classas d\'estil',
+                width: 'Largor',
+                height: 'Nautor',
+                align: 'Alinhament',
+                alignLeft: 'Esquèrra',
+                alignRight: 'Dreita',
+                alignCenter: 'Centrar',
+                alignJustify: 'Justificar',
+                alignTop: 'Naut',
+                alignMiddle: 'Mitan',
+                alignBottom: 'Bas',
+                alignNone: 'Pas cap',
+                invalidValue: 'Valor invalida.',
+                invalidHeight: 'La nautor deu èsser un nombre.',
+                invalidWidth: 'La largor deu èsser un nombre.',
+                invalidCssLength: 'La valor especificada pel camp « %1 » deu èsser un nombre positiu amb o sens unitat de mesura CSS valid (px, %, in, cm, mm, em, ex, pt, o pc).',
+                invalidHtmlLength: 'La valor especificada pel camp « %1 » deu èsser un nombre positiu amb o sens unitat de mesura HTML valid (px o %).',
+                invalidInlineStyle: 'La valor especificada per l\'estil en linha deu èsser compausada d\'un o mantun parelh al format « nom : valor », separats per de punts-virgulas.',
+                cssLengthTooltip: 'Entrar un nombre per una valor en pixèls o un nombre amb una unitat de mesura CSS valida (px, %, in, cm, mm, em, ex, pt, o pc).',
+                // Put the voice-only part of the label in the span.
+                unavailable: '%1<span class="cke_accessibility">, indisponible</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Retorn',
+                        13: 'Entrada',
+                        16: 'Majuscula',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Espaci',
+                        35: 'Fin',
+                        36: 'Origina',
+                        46: 'Suprimir',
+                        224: 'Comanda'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Acorchi de clavièr'
+        }
+};
diff --git a/sources/lang/pl.js b/sources/lang/pl.js
index 7fdd920..3290a6b 100644
--- a/sources/lang/pl.js
+++ b/sources/lang/pl.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'pl' ] = {
                alignMiddle: 'Do środka',
                alignBottom: 'Do dołu',
                alignNone: 'Brak',
-                invalidValue    : 'Nieprawidłowa wartość.',
+                invalidValue: 'Nieprawidłowa wartość.',
                invalidHeight: 'Wysokość musi być liczbą.',
                invalidWidth: 'Szerokość musi być liczbą.',
                invalidCssLength: 'Wartość podana dla pola "%1" musi być liczbą dodatnią bez jednostki lub z poprawną jednostką długości zgodną z CSS (px, %, in, cm, mm, em, ex, pt lub pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'pl' ] = {
                cssLengthTooltip: 'Wpisz liczbę dla wartości w pikselach lub liczbę wraz z jednostką długości zgodną z CSS (px, %, in, cm, mm, em, ex, pt lub pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, niedostępne</span>'
+                unavailable: '%1<span class="cke_accessibility">, niedostępne</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'spacja',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Skrót klawiszowy'
        }
 };
diff --git a/sources/lang/pt-br.js b/sources/lang/pt-br.js
index e1d7116..a6bc34f 100644
--- a/sources/lang/pt-br.js
+++ b/sources/lang/pt-br.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'pt-br' ] = {
                alignMiddle: 'Centralizado',
                alignBottom: 'Inferior',
                alignNone: 'Nenhum',
-                invalidValue    : 'Valor inválido.',
+                invalidValue: 'Valor inválido.',
                invalidHeight: 'A altura tem que ser um número',
                invalidWidth: 'A largura tem que ser um número.',
                invalidCssLength: 'O valor do campo "%1" deve ser um número positivo opcionalmente seguido por uma válida unidade de medida de CSS (px, %, in, cm, mm, em, ex, pt ou pc).',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'pt-br' ] = {
                cssLengthTooltip: 'Insira um número para valor em pixels ou um número seguido de uma válida unidade de medida de CSS (px, %, in, cm, mm, em, ex, pt ou pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, indisponível</span>'
+                unavailable: '%1<span class="cke_accessibility">, indisponível</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Tecla Retroceder',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Tecla Espaço',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Comando'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Atalho do teclado'
        }
 };
diff --git a/sources/lang/pt.js b/sources/lang/pt.js
index fbace5b..cfc1ced 100644
--- a/sources/lang/pt.js
+++ b/sources/lang/pt.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -31,29 +31,29 @@ CKEDITOR.lang[ 'pt' ] = {
                browseServer: 'Navegar no servidor',
                url: 'URL',
                protocol: 'Protocolo',
-                upload: 'Enviar',
+                upload: 'Carregar',
                uploadSubmit: 'Enviar para o servidor',
                image: 'Imagem',
                flash: 'Flash',
                form: 'Formulário',
-                checkbox: 'Caixa de Seleção',
+                checkbox: 'Caixa de verificação',
                radio: 'Botão',
-                textField: 'Campo do Texto',
+                textField: 'Campo de texto',
-                textarea: 'Área do Texto',
+                textarea: 'Área de texto',
                hiddenField: 'Campo oculto',
                button: 'Botão',
-                select: 'Campo da Seleção',
+                select: 'Campo de seleção',
-                imageButton: 'Botão da Imagem',
+                imageButton: 'Botão da imagem',
                notSet: '<Não definido>',
-                id: 'Id.',
+                id: 'ID',
                name: 'Nome',
-                langDir: 'Direção do Idioma',
+                langDir: 'Direção do idioma',
                langDirLtr: 'Esquerda para a Direita (EPD)',
                langDirRtl: 'Direita para a Esquerda (DPE)',
-                langCode: 'Código do Idioma',
+                langCode: 'Código do idioma',
-                longDescr: 'Descrição Completa do URL',
+                longDescr: 'Descrição completa do URL',
-                cssClass: 'Classes de Estilo das Folhas',
+                cssClass: 'Classes de estilo das folhas',
-                advisoryTitle: 'Título Consultivo',
+                advisoryTitle: 'Título consultivo',
                cssStyle: 'Estilo',
                ok: 'CONFIRMAR',
                cancel: 'Cancelar',
@@ -67,10 +67,10 @@ CKEDITOR.lang[ 'pt' ] = {
                confirmCancel: 'Foram alteradas algumas das opções. Tem a certeza que deseja fechar a janela?',
                options: 'Opções',
                target: 'Destino',
-                targetNew: 'Nova Janela (_blank)',
+                targetNew: 'Nova janela (_blank)',
-                targetTop: 'Janela Superior (_top)',
+                targetTop: 'Janela superior (_top)',
-                targetSelf: 'Mesma Janela (_self)',
+                targetSelf: 'Mesma janela (_self)',
-                targetParent: 'Janela Parente (_parent)',
+                targetParent: 'Janela dependente (_parent)',
                langDirLTR: 'Esquerda para a Direita (EPD)',
                langDirRTL: 'Direita para a Esquerda (DPE)',
                styles: 'Estilo',
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'pt' ] = {
                alignMiddle: 'Centro',
                alignBottom: 'Base',
                alignNone: 'Nenhum',
-                invalidValue    : 'Valor inválido.',
+                invalidValue: 'Valor inválido.',
                invalidHeight: 'A altura deve ser um número.',
                invalidWidth: 'A largura deve ser um número. ',
                invalidCssLength: 'O valor especificado para o campo "1%" deve ser um número positivo, com ou sem uma unidade de medida CSS válida (px, %, in, cm, mm, em, ex, pt, ou pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'pt' ] = {
                cssLengthTooltip: 'Insira um número para um valor em pontos ou um número com uma unidade CSS válida (px, %, in, cm, mm, em, ex, pt, ou pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, indisponível</span>'
+                unavailable: '%1<span class="cke_accessibility">, indisponível</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Espaço',
+                        35: 'Fim',
+                        36: 'Entrada',
+                        46: 'Eliminar',
+                        224: 'Comando'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/ro.js b/sources/lang/ro.js
index 9120e56..d118aba 100644
--- a/sources/lang/ro.js
+++ b/sources/lang/ro.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'ro' ] = {
                alignMiddle: 'Mijloc',
                alignBottom: 'Jos',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Valoare invalidă',
+                invalidValue: 'Valoare invalidă',
                invalidHeight: 'Înălțimea trebuie să fie un număr.',
                invalidWidth: 'Lățimea trebuie să fie un număr.',
                invalidCssLength: 'Valoarea specificată pentru câmpul "%1" trebuie să fie un număr pozitiv cu sau fără o unitate de măsură CSS (px, %, in, cm, mm, em, ex, pt, sau pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ro' ] = {
                cssLengthTooltip: 'Introduceți un număr în pixeli sau un număr cu o unitate de măsură CSS (px, %, in, cm, mm, em, ex, pt, sau pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nu este disponibil</span>'
+                unavailable: '%1<span class="cke_accessibility">, nu este disponibil</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/ru.js b/sources/lang/ru.js
index a4aac48..1ccc052 100644
--- a/sources/lang/ru.js
+++ b/sources/lang/ru.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'ru' ] = {
                alignMiddle: 'Посередине',
                alignBottom: 'Понизу',
                alignNone: 'Нет',
-                invalidValue    : 'Недопустимое значение.',
+                invalidValue: 'Недопустимое значение.',
                invalidHeight: 'Высота задается числом.',
                invalidWidth: 'Ширина задается числом.',
                invalidCssLength: 'Значение, указанное в поле "%1", должно быть положительным целым числом. Допускается указание единиц меры CSS (px, %, in, cm, mm, em, ex, pt или pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'ru' ] = {
                cssLengthTooltip: 'Введите значение в пикселях, либо число с корректной единицей меры CSS (px, %, in, cm, mm, em, ex, pt или pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, недоступно</span>'
+                unavailable: '%1<span class="cke_accessibility">, недоступно</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Пробел',
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Комбинация клавиш'
        }
 };
diff --git a/sources/lang/si.js b/sources/lang/si.js
index c039733..df0d734 100644
--- a/sources/lang/si.js
+++ b/sources/lang/si.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'si' ] = {
                alignMiddle: 'මැද',
                alignBottom: 'පහල',
                alignNone: 'None', // MISSING
-                invalidValue    : 'වැරදී වටිනාකමකි',
+                invalidValue: 'වැරදී වටිනාකමකි',
                invalidHeight: 'උස අංකයක් විය යුතුය',
                invalidWidth: 'පළල අංකයක් විය යුතුය',
                invalidCssLength: 'වටිනාකමක් නිරූපණය කිරීම "%1" ප්‍රදේශය ධන සංක්‍යාත්මක වටිනාකමක් හෝ  නිවරදි නොවන  CSS මිනුම් එකක(px, %, in, cm, mm, em, ex, pt, pc)',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'si' ] = {
                cssLengthTooltip: 'සංක්‍යා ඇතුලත් කිරීමේදී වටිනාකම තිත් ප්‍රමාණය නිවරදි CSS  ඒකක(තිත්, %, අඟල්,සෙමි, mm, em, ex, pt, pc)',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span පන්තිය="ළඟා වියහැකි ද බලන්න">, නොමැතිනම්</span>'
+                unavailable: '%1<span පන්තිය="ළඟා වියහැකි ද බලන්න">, නොමැතිනම්</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/sk.js b/sources/lang/sk.js
index 337dbed..e473cc6 100644
--- a/sources/lang/sk.js
+++ b/sources/lang/sk.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'sk' ] = {
                alignMiddle: 'Na stred',
                alignBottom: 'Dole',
                alignNone: 'Žiadne',
-                invalidValue    : 'Neplatná hodnota.',
+                invalidValue: 'Neplatná hodnota.',
                invalidHeight: 'Výška musí byť číslo.',
                invalidWidth: 'Šírka musí byť číslo.',
                invalidCssLength: 'Špecifikovaná hodnota pre pole "%1" musí byť kladné číslo s alebo bez platnej CSS mernej jednotky (px, %, in, cm, mm, em, ex, pt alebo pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'sk' ] = {
                cssLengthTooltip: 'Vložte číslo pre hodnotu v pixeloch alebo číslo so správnou CSS jednotou (px, %, in, cm, mm, em, ex, pt alebo pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nedostupný</span>'
+                unavailable: '%1<span class="cke_accessibility">, nedostupný</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Medzerník',
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Delete',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Klávesová skratka'
        }
 };
diff --git a/sources/lang/sl.js b/sources/lang/sl.js
index ee9897c..bbaa5ea 100644
--- a/sources/lang/sl.js
+++ b/sources/lang/sl.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -19,8 +19,8 @@
 */
 CKEDITOR.lang[ 'sl' ] = {
        // ARIA description.
-        editor: 'Bogat Urejevalnik Besedila',
+        editor: 'Urejevalnik obogatenega besedila',
-        editorPanel: 'Rich Text Editor plošča',
+        editorPanel: 'Plošča urejevalnika obogatenega besedila',
        // Common messages and labels.
        common: {
@@ -38,21 +38,21 @@ CKEDITOR.lang[ 'sl' ] = {
                form: 'Obrazec',
                checkbox: 'Potrditveno polje',
                radio: 'Izbirno polje',
-                textField: 'Vnosno polje',
+                textField: 'Besedilno polje',
-                textarea: 'Vnosno območje',
+                textarea: 'Besedilno območje',
                hiddenField: 'Skrito polje',
                button: 'Gumb',
-                select: 'Spustno Polje',
+                select: 'Spustno polje',
-                imageButton: 'Slikovni Gumb',
+                imageButton: 'Slikovni gumb',
                notSet: '<ni določen>',
                id: 'Id',
                name: 'Ime',
                langDir: 'Smer jezika',
                langDirLtr: 'Od leve proti desni (LTR)',
                langDirRtl: 'Od desne proti levi (RTL)',
-                langCode: 'Koda Jezika',
+                langCode: 'Koda jezika',
                longDescr: 'Dolg opis URL-ja',
-                cssClass: 'Razred stilne predloge',
+                cssClass: 'Razredi slogovne predloge',
                advisoryTitle: 'Predlagani naslov',
                cssStyle: 'Slog',
                ok: 'V redu',
@@ -62,19 +62,19 @@ CKEDITOR.lang[ 'sl' ] = {
                resize: 'Potegni za spremembo velikosti',
                generalTab: 'Splošno',
                advancedTab: 'Napredno',
-                validateNumberFailed: 'Ta vrednost ni število.',
+                validateNumberFailed: 'Vrednost ni število.',
-                confirmNewPage: 'Vse neshranjene spremembe te vsebine bodo izgubljene. Ali res želite naložiti novo stran?',
+                confirmNewPage: 'Vse neshranjene spremembe vsebine bodo izgubljene. Ali res želite naložiti novo stran?',
-                confirmCancel: 'Nekaj možnosti je bilo spremenjenih. Ali res želite zapreti okno?',
+                confirmCancel: 'Spremenili ste nekaj možnosti. Ali res želite zapreti okno?',
                options: 'Možnosti',
                target: 'Cilj',
-                targetNew: 'Novo Okno (_blank)',
+                targetNew: 'Novo okno (_blank)',
-                targetTop: 'Vrhovno Okno (_top)',
+                targetTop: 'Vrhovno okno (_top)',
-                targetSelf: 'Enako Okno (_self)',
+                targetSelf: 'Isto okno (_self)',
-                targetParent: 'Matično Okno (_parent)',
+                targetParent: 'Starševsko okno (_parent)',
                langDirLTR: 'Od leve proti desni (LTR)',
                langDirRTL: 'Od desne proti levi (RTL)',
                styles: 'Slog',
-                cssClasses: 'Razred stilne predloge',
+                cssClasses: 'Razredi slogovne predloge',
                width: 'Širina',
                height: 'Višina',
                align: 'Poravnava',
@@ -86,15 +86,32 @@ CKEDITOR.lang[ 'sl' ] = {
                alignMiddle: 'V sredino',
                alignBottom: 'Na dno',
                alignNone: 'Brez poravnave',
-                invalidValue    : 'Neveljavna vrednost.',
+                invalidValue: 'Neveljavna vrednost.',
                invalidHeight: 'Višina mora biti število.',
                invalidWidth: 'Širina mora biti število.',
-                invalidCssLength: 'Vrednost določena za "%1" polje mora biti pozitivna številka z ali brez veljavne CSS enote za merjenje (px, %, in, cm, mm, em, ex, pt, ali pc).',
+                invalidCssLength: 'Vrednost, določena za polje »%1«, mora biti pozitivno število z ali brez veljavne CSS-enote za merjenje (px, %, in, cm, mm, em, ex, pt ali pc).',
-                invalidHtmlLength: 'Vrednost določena za "%1" polje mora biti pozitivna številka z ali brez veljavne HTML enote za merjenje (px ali %).',
+                invalidHtmlLength: 'Vrednost, določena za polje »%1«, mora biti pozitivno število z ali brez veljavne HTML-enote za merjenje (px ali %).',
-                invalidInlineStyle: 'Vrednost določena za inline slog mora biti sestavljena iz ene ali več tork (tuples) z obliko "ime : vrednost", ločenih z podpičji.',
+                invalidInlineStyle: 'Vrednost, določena za slog v vrstici, mora biti sestavljena iz ene ali več dvojic oblike »ime : vrednost«, ločenih s podpičji.',
-                cssLengthTooltip: 'Vnesite številko za vrednost v slikovnih pikah (pixels) ali številko z veljavno CSS enoto (px, %, in, cm, mm, em, ex, pt, ali pc).',
+                cssLengthTooltip: 'Vnesite število za vrednost v slikovnih pikah ali število z veljavno CSS-enoto (px, %, in, cm, mm, em, ex, pt ali pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, nedosegljiv</span>'
+                unavailable: '%1<span class="cke_accessibility">, nedosegljiv</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/sq.js b/sources/lang/sq.js
index 7e885a3..d5812ea 100644
--- a/sources/lang/sq.js
+++ b/sources/lang/sq.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'sq' ] = {
                alignMiddle: 'Në mes',
                alignBottom: 'Poshtë',
                alignNone: 'Asnjë',
-                invalidValue    : 'Vlerë e pavlefshme',
+                invalidValue: 'Vlerë e pavlefshme',
                invalidHeight: 'Lartësia duhet të jetë një numër',
                invalidWidth: 'Gjerësia duhet të jetë një numër',
                invalidCssLength: 'Vlera e fushës "%1" duhet të jetë një numër pozitiv me apo pa njësi matëse të vlefshme CSS (px, %, in, cm, mm, em, ex, pt ose pc).',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'sq' ] = {
                cssLengthTooltip: 'Fut një numër për vlerën në pixel apo një numër me një njësi të vlefshme CSS (px, %, in, cm, mm, ex, pt, ose pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, i padisponueshëm</span>'
+                unavailable: '%1<span class="cke_accessibility">, i padisponueshëm</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Prapa',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Grise',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/sr-latn.js b/sources/lang/sr-latn.js
index 78cce5a..9994a0a 100644
--- a/sources/lang/sr-latn.js
+++ b/sources/lang/sr-latn.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'sr-latn' ] = {
                alignMiddle: 'Sredina',
                alignBottom: 'Dole',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Visina mora biti broj.',
                invalidWidth: 'Širina mora biti broj.',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'sr-latn' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/sr.js b/sources/lang/sr.js
index cd2bf56..341bf7a 100644
--- a/sources/lang/sr.js
+++ b/sources/lang/sr.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'sr' ] = {
                alignMiddle: 'Средина',
                alignBottom: 'Доле',
                alignNone: 'None', // MISSING
-                invalidValue    : 'Invalid value.', // MISSING
+                invalidValue: 'Invalid value.', // MISSING
                invalidHeight: 'Height must be a number.', // MISSING
                invalidWidth: 'Width must be a number.', // MISSING
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'sr' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/sv.js b/sources/lang/sv.js
index afd1a46..3074d46 100644
--- a/sources/lang/sv.js
+++ b/sources/lang/sv.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -18,8 +18,8 @@
 */
 CKEDITOR.lang[ 'sv' ] = {
        // ARIA description.
-        editor: 'Rich Text Editor',
+        editor: 'Rich Text-editor',
-        editorPanel: 'Rich Text Editor panel',
+        editorPanel: 'Panel till Rich Text-editor',
        // Common messages and labels.
        common: {
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'sv' ] = {
                alignMiddle: 'Mitten',
                alignBottom: 'Nederkant',
                alignNone: 'Ingen',
-                invalidValue    : 'Felaktigt värde.',
+                invalidValue: 'Felaktigt värde.',
                invalidHeight: 'Höjd måste vara ett nummer.',
                invalidWidth: 'Bredd måste vara ett nummer.',
                invalidCssLength: 'Värdet för fältet "%1" måste vara ett positivt nummer med eller utan CSS-mätenheter (px, %, in, cm, mm, em, ex, pt, eller pc).',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'sv' ] = {
                cssLengthTooltip: 'Ange ett nummer i pixlar eller ett nummer men godkänd CSS-mätenhet (px, %, in, cm, mm, em, ex, pt, eller pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, Ej tillgänglig</span>'
+                unavailable: '%1<span class="cke_accessibility">, Ej tillgänglig</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backsteg',
+                        13: 'Retur',
+                        16: 'Skift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Mellanslag',
+                        35: 'Slut',
+                        36: 'Hem',
+                        46: 'Radera',
+                        224: 'Kommando'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Kortkommando'
        }
 };
diff --git a/sources/lang/th.js b/sources/lang/th.js
index 91b53cc..6dc918e 100644
--- a/sources/lang/th.js
+++ b/sources/lang/th.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'th' ] = {
                alignMiddle: 'กึ่งกลางแนวตั้ง',
                alignBottom: 'ชิดด้านล่าง',
                alignNone: 'None', // MISSING
-                invalidValue    : 'ค่าไม่ถูกต้อง',
+                invalidValue: 'ค่าไม่ถูกต้อง',
                invalidHeight: 'ความสูงต้องเป็นตัวเลข',
                invalidWidth: 'ความกว้างต้องเป็นตัวเลข',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'th' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace', // MISSING
+                        13: 'Enter', // MISSING
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Delete', // MISSING
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/tr.js b/sources/lang/tr.js
index 00cafca..0cbd57c 100644
--- a/sources/lang/tr.js
+++ b/sources/lang/tr.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'tr' ] = {
                alignMiddle: 'Orta',
                alignBottom: 'Alt',
                alignNone: 'Hiçbiri',
-                invalidValue    : 'Geçersiz değer.',
+                invalidValue: 'Geçersiz değer.',
                invalidHeight: 'Yükseklik değeri bir sayı olmalıdır.',
                invalidWidth: 'Genişlik değeri bir sayı olmalıdır.',
                invalidCssLength: '"%1" alanı için verilen değer, geçerli bir CSS ölçü birimi (px, %, in, cm, mm, em, ex, pt, veya pc) içeren veya içermeyen pozitif bir sayı olmalıdır.',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'tr' ] = {
                cssLengthTooltip: 'Piksel türünde bir sayı veya geçerli bir CSS ölçü birimi (px, %, in, cm, mm, em, ex, pt veya pc) içeren bir sayı girin.',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, kullanılamaz</span>'
+                unavailable: '%1<span class="cke_accessibility">, kullanılamaz</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Silme Tuşu',
+                        13: 'Giriş Tuşu',
+                        16: 'Üst Karater Tuşu',
+                        17: 'Kontrol Tuşu',
+                        18: 'Alt Tuşu',
+                        32: 'Boşluk Tuşu',
+                        35: 'En Sona Tuşu',
+                        36: 'En Başa Tuşu',
+                        46: 'Silme Tuşu',
+                        224: 'Komut Tuşu'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Klavye Kısayolu'
        }
 };
diff --git a/sources/lang/tt.js b/sources/lang/tt.js
index 2035446..c63170b 100644
--- a/sources/lang/tt.js
+++ b/sources/lang/tt.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'tt' ] = {
                alignMiddle: 'Уртага',
                alignBottom: 'Аска',
                alignNone: 'Һичбер',
-                invalidValue    : 'Дөрес булмаган кыйммәт.',
+                invalidValue: 'Дөрес булмаган кыйммәт.',
                invalidHeight: 'Биеклек сан булырга тиеш.',
                invalidWidth: 'Киңлек сан булырга тиеш.',
                invalidCssLength: 'Value specified for the "%1" field must be a positive number with or without a valid CSS measurement unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'tt' ] = {
                cssLengthTooltip: 'Enter a number for a value in pixels or a number with a valid CSS unit (px, %, in, cm, mm, em, ex, pt, or pc).', // MISSING
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, unavailable</span>' // MISSING
+                unavailable: '%1<span class="cke_accessibility">, unavailable</span>', // MISSING
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Кайтару',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Бетерү',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/ug.js b/sources/lang/ug.js
index f7d3283..13a256d 100644
--- a/sources/lang/ug.js
+++ b/sources/lang/ug.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -85,7 +85,7 @@ CKEDITOR.lang[ 'ug' ] = {
                alignMiddle: 'ئوتتۇرا',
                alignBottom: 'ئاستى',
                alignNone: 'يوق',
-                invalidValue    : 'ئىناۋەتسىز قىممەت.',
+                invalidValue: 'ئىناۋەتسىز قىممەت.',
                invalidHeight: 'ئېگىزلىك چوقۇم رەقەم پىچىمىدا بولۇشى زۆرۈر',
                invalidWidth: 'كەڭلىك چوقۇم رەقەم پىچىمىدا بولۇشى زۆرۈر',
                invalidCssLength: 'بۇ سۆز بۆلىكى چوقۇم مۇۋاپىق بولغان CSS ئۇزۇنلۇق قىممىتى بولۇشى زۆرۈر، بىرلىكى (px, %, in, cm, mm, em, ex, pt ياكى pc)',
@@ -94,6 +94,23 @@ CKEDITOR.lang[ 'ug' ] = {
                cssLengthTooltip: 'بۇ سۆز بۆلىكى بىرىكمە CSS ئۇزۇنلۇق قىممىتى بولۇشى كېرەك. ئۆز ئىچىگە ئالىدىغان بىرلىك (px, %, in, cm, mm, em, ex, pt ياكى pc)',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class=\\\\"cke_accessibility\\\\">، ئىشلەتكىلى بولمايدۇ</span>'
+                unavailable: '%1<span class=\\\\"cke_accessibility\\\\">، ئىشلەتكىلى بولمايدۇ</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'End',
+                        36: 'Home',
+                        46: 'ئۆچۈر',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/uk.js b/sources/lang/uk.js
index 18f8d52..3fbc52d 100644
--- a/sources/lang/uk.js
+++ b/sources/lang/uk.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -20,7 +20,7 @@
 CKEDITOR.lang[ 'uk' ] = {
        // ARIA description.
        editor: 'Текстовий редактор',
-        editorPanel: 'Панель текстового редактора',
+        editorPanel: 'Панель ��озширеного ��екстового редактора',
        // Common messages and labels.
        common: {
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'uk' ] = {
                alignMiddle: 'По середині',
                alignBottom: 'По нижньому краю',
                alignNone: 'Нема',
-                invalidValue    : 'Невірне значення.',
+                invalidValue: 'Невірне значення.',
                invalidHeight: 'Висота повинна бути цілим числом.',
                invalidWidth: 'Ширина повинна бути цілим числом.',
                invalidCssLength: 'Значення, вказане для "%1" в полі повинно бути позитивним числом або без дійсного виміру CSS блоку (px, %, in, cm, mm, em, ex, pt або pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'uk' ] = {
                cssLengthTooltip: 'Введіть номер значення в пікселях або число з дійсною одиниці CSS (px, %, in, cm, mm, em, ex, pt або pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, не доступне</span>'
+                unavailable: '%1<span class="cke_accessibility">, не доступне</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Backspace',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: 'Space', // MISSING
+                        35: 'End',
+                        36: 'Home',
+                        46: 'Видалити',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/vi.js b/sources/lang/vi.js
index d1b5dc4..45d3d30 100644
--- a/sources/lang/vi.js
+++ b/sources/lang/vi.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'vi' ] = {
                alignMiddle: 'Giữa',
                alignBottom: 'Dưới',
                alignNone: 'Không',
-                invalidValue    : 'Giá trị không hợp lệ.',
+                invalidValue: 'Giá trị không hợp lệ.',
                invalidHeight: 'Chiều cao phải là số nguyên.',
                invalidWidth: 'Chiều rộng phải là số nguyên.',
                invalidCssLength: 'Giá trị quy định cho trường "%1" phải là một số dương có hoặc không có một đơn vị đo CSS hợp lệ (px, %, in, cm, mm, em, ex, pt, hoặc pc).',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'vi' ] = {
                cssLengthTooltip: 'Nhập một giá trị theo pixel hoặc một số với một đơn vị CSS hợp lệ (px, %, in, cm, mm, em, ex, pt, hoặc pc).',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">, không có</span>'
+                unavailable: '%1<span class="cke_accessibility">, không có</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: 'Phím Backspace',
+                        13: 'Enter',
+                        16: 'Shift', // MISSING
+                        17: 'Ctrl', // MISSING
+                        18: 'Alt', // MISSING
+                        32: 'Space', // MISSING
+                        35: 'End', // MISSING
+                        36: 'Home', // MISSING
+                        46: 'Xóa',
+                        224: 'Command' // MISSING
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: 'Keyboard shortcut' // MISSING
        }
 };
diff --git a/sources/lang/zh-cn.js b/sources/lang/zh-cn.js
index c3b01a5..b89c0c9 100644
--- a/sources/lang/zh-cn.js
+++ b/sources/lang/zh-cn.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'zh-cn' ] = {
                alignMiddle: '居中',
                alignBottom: '底部',
                alignNone: '无',
-                invalidValue    : '无效的值。',
+                invalidValue: '无效的值。',
                invalidHeight: '高度必须为数字格式',
                invalidWidth: '宽度必须为数字格式',
                invalidCssLength: '此“%1”字段的值必须为正数，可以包含或不包含一个有效的 CSS 长度单位(px, %, in, cm, mm, em, ex, pt 或 pc)',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'zh-cn' ] = {
                cssLengthTooltip: '输入一个表示像素值的数字，或加上一个有效的 CSS 长度单位(px, %, in, cm, mm, em, ex, pt 或 pc)。',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">，不可用</span>'
+                unavailable: '%1<span class="cke_accessibility">，不可用</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: '退格键',
+                        13: '回车键',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: '空格键',
+                        35: '行尾键',
+                        36: '行首键',
+                        46: '删除键',
+                        224: 'Command'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: '快捷键'
        }
 };
diff --git a/sources/lang/zh.js b/sources/lang/zh.js
index a5124e2..c8a0548 100644
--- a/sources/lang/zh.js
+++ b/sources/lang/zh.js
@@ -1,5 +1,5 @@
 /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */
@@ -86,7 +86,7 @@ CKEDITOR.lang[ 'zh' ] = {
                alignMiddle: '中間對齊',
                alignBottom: '底端',
                alignNone: '無',
-                invalidValue    : '無效值。',
+                invalidValue: '無效值。',
                invalidHeight: '高度必須為數字。',
                invalidWidth: '寬度必須為數字。',
                invalidCssLength: '「%1」的值應為正數，並可包含有效的 CSS 單位 (px, %, in, cm, mm, em, ex, pt, 或 pc)。',
@@ -95,6 +95,23 @@ CKEDITOR.lang[ 'zh' ] = {
                cssLengthTooltip: '請輸入數值，單位是像素或有效的 CSS 單位 (px, %, in, cm, mm, em, ex, pt, 或 pc)。',
                // Put the voice-only part of the label in the span.
-                unavailable: '%1<span class="cke_accessibility">，無法使用</span>'
+                unavailable: '%1<span class="cke_accessibility">，無法使用</span>',
+                // Keyboard keys translations used for creating shortcuts descriptions in tooltips, context menus and ARIA labels.
+                keyboard: {
+                        8: '退格鍵',
+                        13: 'Enter',
+                        16: 'Shift',
+                        17: 'Ctrl',
+                        18: 'Alt',
+                        32: '空白鍵',
+                        35: 'End',
+                        36: 'Home',
+                        46: '刪除',
+                        224: 'Command 鍵'
+                },
+                // Prepended to ARIA labels with shortcuts.
+                keyboardShortcut: '鍵盤快捷鍵'
        }
 };