[wp-trac] [WordPress Trac] #19855: Too much text in <pre> tag causes no output

[WordPress Trac]

#19855: Too much text in <pre> tag causes no output
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 Reporter:  helenyhou     |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Formatting    |    Version:  1.2
 Severity:  normal        |   Keywords:
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 Posting this on behalf of Sirisian in IRC who sent the question to wp-
 hackers on my suggestion and didn't get anywhere.

 I was writing an article on my blog with a huge code dump at the end
 inside of a pre tag. I noticed that this breaks wordpress. This is 100%
 reproducible by pasting http://pastebin.com/6m3RVGbr into a post then
 hitting preview (You can use blank pre tags. I just had stuff in them for
 a syntax highlighter plugin. It doesn't generate a page even with all
 plugins disabled anyway).

 I believe it's caused because there's over 64 KB of data in the pre tags.
 Talking to someone in the IRC and they said:

 > looks like there's a preg_replace_callback called clean_pre, probably
 that's what's failing due to size
 > basically, probably wpautop()'s fault

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Ticket URL: <http://core.trac.wordpress.org/ticket/19855>
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