w3c: fix HTML syntax errors

Fixes #64

All pages:
- add `urlencode` when passing the version to a custom stylesheet;
- set meaningful values of `alt` and `title` for QR-Code images.

Install page:
- the form's `action` attribute must be non-empty;
- the `valign` attribute is deprecated.

Signed-off-by: VirtualTam <virtualtam@flibidi.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/index.php b/index.php
index 4cb25ab7..4a91220f 100644
--- a/index.php
+++ b/index.php
@@ -2129,7 +2129,7 @@ function install()
 
     // Display config form:
     list($timezone_form,$timezone_js) = templateTZform();
-    $timezone_html=''; if ($timezone_form!='') $timezone_html='<tr><td valign="top"><b>Timezone:</b></td><td>'.$timezone_form.'</td></tr>';
+    $timezone_html=''; if ($timezone_form!='') $timezone_html='<tr><td><b>Timezone:</b></td><td>'.$timezone_form.'</td></tr>';
 
     $PAGE = new pageBuilder;
     $PAGE->assign('timezone_html',$timezone_html);