[wp-trac] [WordPress Trac] #22888: Block <a> tags are getting stripped from the Editor

[WordPress Trac]

#22888: Block <a> tags are getting stripped from the Editor
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 Reporter:  georgestephanis  |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  high             |   Milestone:  3.5.1
Component:  Editor           |     Version:  3.5
 Severity:  major            |  Resolution:
 Keywords:  needs-patch      |
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Comment (by bradyvercher):

 I'm having a couple of different issues with the <a> tag myself.

 1. Type "Some Text" in the editor of a new post.
 2. Highlight the text and click the "Insert link" button. Enter a URL and
 click the "Add Link" button.

 At this point, I've seen a couple of different behaviors:

 1. "Some Text" will become a link, but the cursor is inserted before the
 text and attempting to type any additional text includes it in the <a>
 tag, even when adding paragraph breaks.
 2. "Some Text" becomes a link, but the cursor appears to be floating in
 the center of the editor and halfway under the toolbar. Adding additional
 text inserts a paragraph break, but otherwise appears to work fine.

 However, in both cases, switching the editor mode causes issues.
 1. Switching to the text editor shows a couple of line breaks before the
 closing </a> tag.
 2. Switching back to the visual editor then shows a paragraph break after
 the </a> tag.
 3. And switching back to the text editor again, shows a non-breaking
 space.

 There doesn't seem to be any consistency and it's creating all sorts of
 formatting issues.

 In addition to that, custom style formats that do nothing more than add a
 class to the <a> tag don't work. Just to demonstrate, insert `<a
 class="btn">Button</a>` into the text editor, then switch to visual mode.
 The "Insert link" button is depressed, but disabled and the "Unlink"
 button doesn't actually do anything.

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Ticket URL: <http://core.trac.wordpress.org/ticket/22888#comment:8>
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