["<code>use re '/flags'</code>", 'customize default modifiers'],
['<code>each $ref</code> e.a.', 'array and hash container functions accept references'],
['<code>FH->method</code>', 'filehandle method calls load IO::File on demand (eg. <code>STDOUT->flush</code>)'],
["<code>use re '/flags'</code>", 'customize default modifiers'],
['<code>each $ref</code> e.a.', 'array and hash container functions accept references'],
['<code>FH->method</code>', 'filehandle method calls load IO::File on demand (eg. <code>STDOUT->flush</code>)'],