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Perl 6
WITCH tick: Revision 4
Mnemonics"hard quote", "tick"
Used as a brace pair or quote pair
'' in a bare string literal does minimal interpolation like q// When used inside regexes'' chunks multiple gliphs into a single literal as well as escaping metacharacters. Other Uses'' around a method name in a call refers to the prefix operator in method postfix form Old, deprecated, or other language uses' as a namespace separator as in perl5 is always done with :: in perl6 |