[wp-trac] [WordPress Trac] #12089: Unintended blank lines in plugins break XML for feeds

[WordPress Trac]

#12089: Unintended blank lines in plugins break XML for feeds
--------------------------+-------------------------------------------------
 Reporter:  bchecketts    |       Owner:     
     Type:  defect (bug)  |      Status:  new
 Priority:  low           |   Milestone:  3.0
Component:  Feeds         |     Version:     
 Severity:  normal        |    Keywords:     
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Comment(by miqrogroove):

 Maybe we're not on the same page yet.  I'm thinking of heres-my-bad-
 plugin.php:

 {{{
 <?php
 /** Plugin-Author: Me. **/
 add_action('blah', 'phpinfo');
 ?>
 oops there's stuff here
 }}}

 In activate_plugin, there's a buffer that's used to block non-fatal
 errors.  If the buffer survives, it gets deleted and the plugin is
 activated.  I'm proposing a fix so that the buffer is examined, and if
 it's not empty for any reason, it should get reported the same way as the
 fatal errors.  The buffer could say "oops there's stuff here", or it could
 just as easily say, "Warning: blah not defined, assuming 'blah'".  Prefix
 that with something informative like, "This plugin generated the following
 unexpected output:"

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Ticket URL: <http://core.trac.wordpress.org/ticket/12089#comment:7>
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