Merge remote-tracking branch 'origin/doc-tagcloud' into doc-overhaul

diff --combined doc/md/Browsing-and-searching.md
index bda619e1c73dfed0a82c872bbe33c8a85965f99e,24483139d73ee08fa52eb8abb1f81eb0acdb162a..f948bbe190e40f59469e2dc3b5630c4e2c4ef7bc
--- 1/doc/md/Browsing-and-searching.md
--- 2/doc/md/Browsing-and-searching.md
+++ b/doc/md/Browsing-and-searching.md
@@@ -14,10 -14,24 +14,24 @@@ Use the `Filter by tags` field to restr
  
  **Hidden tags:** Tags starting with a dot `.` (example `.secret`) are private. They can only be seen and searched when logged in.
  
- Alternatively you can use the `Tag cloud` to discover all tags and click on any of them to display related links.
+ ### Tag cloud
  
- To search for links that are not tagged, enter `""` in the tag search field.
+ The `Tag cloud` page diplays a "cloud" view of all tags in your Shaarli.
+ 
+  * More frequently used tags are displayed with a bigger font size.
+  * When sorting by `Most used` or `Alphabetical`, tags are displayed as a _list_, along with counters and edit/delete button for each tag.
+  * Clicking on any tag will display a list of all Shaares matching this tag.
+  * Clicking on the counter next to a tag `example` , will filter the tag cloud to only display tags found in Shaares tagged `example`. Repeat this any number of times to further filter the tag cloud. Click `List all links with those tags` to display Shaares matching your current tag filter.
  
  ## Filtering RSS feeds/Picture wall
  
 -RSS feeds can also be restricted to only return items matching a text/tag search: see [RSS feeds](RSS feeds).
 +RSS feeds can also be restricted to only return items matching a text/tag search: see [RSS feeds](RSS-feeds).
+ 
+ ## Filter buttons
+ 
+ Filter buttons can be found at the top left of the link list. They allow you to apply different filters to the list:
+ 
+  * **Private links:** When this toggle button is enabled, only shaares set to `private` will be shown.
+  * **Untagged links:** When the this toggle button is enabled (top left of the link list), only shaares _without any tags_ will be shown in the link list.
+  
+ Filter buttons are only available when logged in.