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# Clean up
Clean up is handled by `lib/cleanup.php`. Major parts include:
### wp_head() clean up
1. Remove unnecessary ``'s
2. Remove inline CSS used by Recent Comments widget
3. Remove inline CSS used by posts with galleries
4. Remove self-closing tag and change `'`'s to `"`'s on `rel_canonical()`
### Add and remove body_class() classes
1. Add `top-navbar` class to `` if using Bootstrap's navbar (enabled in `lib/config.php`). Used to add styling in `app.css` to account for the WordPress admin bar.
2. Add post/page slug class to ``
3. Remove `page-template-default` class
### Root relative URLs
Root relative URLs are enabled from `lib/config.php`.
Return URLs such as `/assets/css/app.css` instead of `http://example.com/assets/css/app.css`.
### Wrap embedded media as suggested by Readability
The [Readability article publishing guidelines](http://www.readability.com/developers/guidelines#publisher) suggest wrapping embedded media with a class of `entry-content-asset`.
### Use HTML5 figure and figcaption for images with captions
Any images that contain captions will be returned with `` and `` elements. They also get a `caption` class for additional styling from Bootstrap.
### Clean up gallery_shortcode()
The `[gallery]` shortcode has been re-created to use Bootstrap thumbnail styling.
### Remove unnecessary dashboard widgets
1. Remove Incoming Links
2. Remove Plugins
3. Remove WordPress Blog
4. Remove Other WordPress News
### Clean up the_excerpt()
The excerpt length is defined in `lib/config.php`. Excerpts are ended with anchor to the post and with "… Continued" instead of "[…]".
### Cleaner walker for wp_nav_menu()
Walker_Nav_Menu (WordPress default) example output:
If using the Bootstrap top navbar (enabled in `lib/config.php`), the proper markup is added to the items and the depth is restricted to 2 (Bootstrap doesn't support multi-level dropdowns).
Instead of the many different active class varities that WordPress usually uses, only `active` is returned on active items.
### Remove unnecessary self-closing tags
Self-closing tags aren't necessary with HTML5. They're removed on:
1. `get_avatar()` (``)
2. `comment_id_fields()` (``)
3. `post_thumbnail_html()` (``)
### Don't return the default description in the RSS feed if it hasn't been changed
If your site tagline is still `Just another WordPress site` then the description isn't returned in the feed.
### Allow more tags in TinyMCE
Allow `