[wp-trac] [WordPress Trac] #14410: Unexpected output incorrectly reported during plugin activation

[WordPress Trac]

#14410: Unexpected output incorrectly reported during plugin activation
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 Reporter:  chmac         |       Owner:                 
     Type:  defect (bug)  |      Status:  new            
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  3.0            
 Severity:  normal        |    Keywords:                 
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 When I activate the WP Mail SMTP plugin, I get the following error:[[BR]]
 The plugin generated 194 characters of unexpected output  during
 activation. If you notice “headers already sent” messages, problems with
 syndication feeds or other issues, try deactivating or removing this
 plugin.

 Other users have reported the same error with different numbers of
 characters. I've checked, double checked and checked again the plugin
 code, and I can't see anything outside of the PHP tags or any output
 functions called during activation. I think the issue has to lie somewhere
 else, unfortunately I've no idea where.

 Plugin code is available here:
  * http://plugins.trac.wordpress.org/browser/wp-mail-
 smtp/tags/0.8.6/wp_mail_smtp.php
  * http://plugins.trac.wordpress.org/browser/wp-mail-
 smtp/trunk/wp_mail_smtp.php

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Ticket URL: <http://core.trac.wordpress.org/ticket/14410>
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