+
+ v5.21.8 => {
+ new => [
+ ['<code>\$alias =</code>', 'aliasing via reference'],
+ ['<code><<>></code>', 'safe readline ignoring open flags in arguments'],
+ ['<code>/()/n</code>', 'flag to disable numbered capturing, turning <code>()</code> into <code>(?:)</code>'],
+ ],
+ unicode => '7.0',
+ release => '2015-01-20',
+ unstable => 1,
+ },