Fix PHP notice in force_balance_tags(), props beaulebens, fixes #9067
git-svn-id: https://develop.svn.wordpress.org/trunk@10523 602fd350-edb4-49c9-b593-d223f7449a82
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@ -848,7 +848,7 @@ function force_balance_tags( $text ) {
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// clear the shifter
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$tagqueue = '';
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// Pop or Push
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if ($regex[1][0] == "/") { // End Tag
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if ( isset($regex[1][0]) && '/' == $regex[1][0] ) { // End Tag
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$tag = strtolower(substr($regex[1],1));
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// if too many closing tags
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if($stacksize <= 0) {
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