[wp-trac] [WordPress Trac] #19926: Bad special characters replacement when changing from HTML to Visual

[WordPress Trac]

#19926: Bad special characters replacement when changing from HTML to Visual
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 Reporter:  bi0xid        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  TinyMCE       |     Version:
 Severity:  normal        |  Resolution:
 Keywords:                |
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Comment (by SergeyBiryukov):

 My results are different. Only two characters are displayed incorrectly:
 `♠` and `≠` (see the screenshot, tested in Firefox 9.0.1 and
 Opera 11.61). UTF-8 representations of these entities contain `A0` ASCII
 character, also known as ` `. Upon saving, it's replaced with `20`
 (regular space), creating an invalid UTF-8 sequence, similarly to #11528
 and #19033.

 Only happens in TinyMCE. Saving in HTML mode works properly. For some
 reason, [attachment:19926.0.patch] doesn't seem to fix anything.

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Ticket URL: <http://core.trac.wordpress.org/ticket/19926#comment:1>
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