[RFC] Double quoted NOWDOC is HEREDOC

Hi, as we introduce NOWDOC in 5.3 it would be logical to allow a double quoted syntax sister of NOWDOC which acts as HEREDOC (same as for $var = "$var" vs $var = '$var'). Currently we have the following options: $var = "Hello world"; $str = <<<LABEL $var LABEL; $str = <<<'LABEL' $var LABEL; The first one is HEREDOC and $var would be evaluated. The second one is NOWDOC and $var would be used literally. The following patch adds a third version: $str = <<<"LABEL" $var LABEL; This acts as HEREDOC, therefore $var would be interpreted. Comments? cu, Lars

Attachment: [text/x-patch] double-quote-heredoc.diff
Attachment: [application/x-php] heredoc_012.phpt
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