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Add a comment to get_shortcode_regex() mentioning its near clones elsewhere. see #21996.

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git-svn-id: http://core.svn.wordpress.org/trunk@22005 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Nacin 2012-09-26 01:16:31 +00:00
parent 9186ea913c
commit ab5878259e
1 changed files with 1 additions and 0 deletions
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wp-includes/shortcodes.php
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@ -177,6 +177,7 @@ function get_shortcode_regex() {
$tagregexp = join( '|', array_map('preg_quote', $tagnames) );
// WARNING! Do not change this regex without changing do_shortcode_tag() and strip_shortcode_tag()
// Also, see shortcode_unautop() and shortcode.js.
return
'\\[' // Opening bracket
. '(\\[?)' // 1: Optional second opening bracket for escaping shortcodes: [[tag]]