['<code>/(?^)/</code>', 'construct to reset to default modifiers'],
['<code>/(?{ m() })/</code>', 'regular expressions can be nested in <code>/(?{})/</code> and <code>/(??{})/</code>', v5.20],
[q"<code>use re '/flags'</code>", 'customise default modifiers'],
- ['<code>each $ref</code> e.a.', 'array and hash container functions accept references', ''],
+ ['<code>each $ref</code> e.a.', 'array and hash container functions accept references', v0.5.23.1],
['<code>FH->method</code>', 'filehandle method calls load IO::File on demand (eg. <code>STDOUT->flush</code>)'],
],
release => '2011-05-14',
new => [
['<code>sub ($var)</code>', 'subroutine signatures', 'experimental::signatures'],
['<code>%hash{…}</code>', 'hash slices return key+value pairs'],
- ['<code>[]->@*</code>', 'postfix dereferencing (also e.g. <code>$scalar->$*</code> for <code>$$scalar</code>)', 'experimental::postderef'],
+ ['<code>[]->@*</code>', 'postfix dereferencing (also e.g. <code>$scalar->$*</code> for <code>$$scalar</code>)', v5.23.1, 'experimental::postderef'],
[q"<code>use warnings 'once'; $a</code>", 'variables $a and $b are exempt from <em>used once</em> warnings'],
],
unicode => '6.3',