new => [
['<code><<~EOT</code>', 'indented here-docs, strips same whitespace before delimiter in each line'],
['<code>@{^CAPTURE}</code>', q"array of last match's captures, so <code>${^CAPTURE}[0]</code> is <code>$1</code>"],
['<code>//xx</code>', 'extended modifier to also ignore whitespace in bracketed character classes'],
],
unicode => '9.0', # also Script_Extensions/scx in "\p{script}"
new => [
['<code><<~EOT</code>', 'indented here-docs, strips same whitespace before delimiter in each line'],
['<code>@{^CAPTURE}</code>', q"array of last match's captures, so <code>${^CAPTURE}[0]</code> is <code>$1</code>"],
['<code>//xx</code>', 'extended modifier to also ignore whitespace in bracketed character classes'],
],
unicode => '9.0', # also Script_Extensions/scx in "\p{script}"