+ v5.005 => {
+ new => [
+ ['threads' => '', {experimental => 0, stable => 0}],
+ ['<code>B::…</code>', 'backend hooks'],
+ ['<code>qr//</code>' => 'overhauled regular expression engine: precompile operator, lookahead/behind, code, conditions, localised flags'],
+ ['<code>… foreach</code>' => '<code>for(each)</code> as statement modifier, with large ranges optimised as counting loops'],
+ ['<code>…::</code>' => 'implicitly quoted package name'],
+ ['<code>ref $@</code>' => '<code>die</code> passes reference values to exception handlers'],
+ ['<code>INIT {}</code>', 'subs run just before the perl runtime begins execution'],
+ ['<code>tie @…</code>' => 'base class for <code>TIEARRAY</code> implementations, and generally improved supported of tied handlers'],
+ ['<code>substr …,…,…,$replace</code>', 'replacement string in 4th argument'],
+ ['<code>splice …,…,-$length</code>', 'negative length indicates elements to keep at the end of an array'],
+ ['<code>$/</code>', 'integer or scalar separator makes <code><></code> read records instead of lines'],
+ ],
+ release => '1998-07-22',
+ unstable => 0,
+ },
+