[wp-trac] [WordPress Trac] #19998: Feeds can contain characters that are not valid XML

[WordPress Trac]

#19998: Feeds can contain characters that are not valid XML
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 Reporter:  westi                       |       Owner:  (none)
     Type:  defect (bug)                |      Status:  new
 Priority:  normal                      |   Milestone:  Awaiting Review
Component:  Feeds                       |     Version:  3.3.1
 Severity:  normal                      |  Resolution:
 Keywords:  has-patch needs-unit-tests  |     Focuses:
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Comment (by programmin):

 Still a problem - even vertical tab character (  ) is enough to break
 anything with the post in its feed. Any chance this can be fixed in wp
 core soon?

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Ticket URL: <https://core.trac.wordpress.org/ticket/19998#comment:15>
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