FWIW to add it one will need to hack this part: https://github.com/rakudo/rakudo/blob/de0533c4d4c9f425ce22432a8e4555ded27cba91/src/Perl6/Actions.nqp#L7999-L8055
See the implementation for S/// for more inspiration: https://github.com/rakudo/rakudo/blob/de0533c4d4c9f425ce22432a8e4555ded27cba91/src/Perl6/Actions.nqp#L8057-L8234 Basically you'd be checking for 「$<sym> eq 'TR'」, which of course has to be first added here as 「<sym=[tr|TR]>」 https://github.com/rakudo/rakudo/blob/nom/src/Perl6/Grammar.nqp#L3853 On 2016-07-09 21:07:42, c...@zoffix.com wrote: > +1 for adding