[wp-trac] [WordPress Trac] #44074: oEmbed with many <pre> tags do not work

[WordPress Trac]

#44074: oEmbed with many <pre> tags do not work
--------------------------+-----------------------------
 Reporter:  jagszent      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Embeds        |    Version:  trunk
 Severity:  minor         |   Keywords:
  Focuses:                |
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 If an oEmbed has more than ten {{{<pre>}}} tags
 {{{WP_oEmbed::_strip_newlines}}} (called by {{{oembed_dataparse}}}}
 filter) returns a wrong result for it.

 All {{{<pre>}}} tags get temporarily replaced by a token, the newline
 stripping gets done and then the tokens {{{<pre>}}} get replaced back to
 their HTML. The tokens unfortunately are just {{{__PRE__}}} plus a counter
 (e.g. {{{__PRE__0}}}, {{{__PRE__1}}}) Thus if there are more than ten
 {{{<pre>}}} tags there will be tokens like {{{__PRE__10}}}. These
 obviously clash with previous tokens.

 Granted, this is ''quite'' uncommon but nonetheless it should be fixed in
 my opinion.

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Ticket URL: <https://core.trac.wordpress.org/ticket/44074>
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