[wp-trac] [WordPress Trac] #3935: wpautop breaking blank pages and some plugins

[WordPress Trac]

#3935: wpautop breaking blank pages and some plugins
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 Reporter:  DD32      |       Owner:  anonymous              
     Type:  defect    |      Status:  new                    
 Priority:  normal    |   Milestone:  2.2                    
Component:  Template  |     Version:  2.2                    
 Severity:  normal    |    Keywords:  has-patch needs-testing
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 2 issues i'm proposing a patch for:[[BR]]
 1. Blank pages contain a single '</p>' instead of a full paragraph:
 '<p></p>'[[BR]]
 2. Extra </p> tags are inserted before certain block elements where they
 shouldnt be placed.[[BR]]
 [[BR]]
 '''Issue 1:'''[[BR]]
 Create a completely blank post, View the source of the page, it'll be
 similar to this:[[BR]]
 {{{
 <h1>Test Heading</h1>
         </p>
 }}}
 The Paragraph is never opened, Of course if there is any non-space
 characters in a page, this issue doesnt exist. But it also affects plugins
 which use pages to dsplay their content.[[BR]]
 [[BR]]
 '''Issue 2:'''[[BR]]
 When using plugins such as ''WP-ContactForm: Akismet Edition'' which hook
 the_content, the output is converted to this:[[BR]]
 {{{
 <input type="hidden" name="wpcf_stage" value="process" /></div>
 </p></form>
 </p></div>
 }}}
 Both of those </p> elements shouldnt be there. [[BR]]
 [[BR]]
 '''Both of these issues make blank posts, or certain content plugins fail
 XHTML Validation, making the page unviewable when using ''html_type'' set
 to ''application/xhtml+xml'' '''[[BR]]
 [[BR]]
 Attached is a patch which fixes both of these rare cases.[[BR]]
 There also doesnt seem to be any performance hit accroding to the
 profiler.

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Ticket URL: <http://trac.wordpress.org/ticket/3935>
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