From @cognominal

say :​:('&say').WHAT
(Sub)
:​:('&say')
sub say (| is raw) { #`(Sub|140575934873152) ... }
:​:( '&say')
Cannot find method 'CALL-ME'
:​:('&say' )
sub say (| is raw) { #`(Sub|140575934873152) ... }

From @cognominal

On Sat Oct 17 16​:32​:50 2015, cognominal wrote​:

say :​:('&say').WHAT
(Sub)
:​:('&say')
sub say (| is raw) { #`(Sub|140575934873152) ... }
:​:( '&say')
Cannot find method 'CALL-ME'
:​:('&say' )
sub say (| is raw) { #`(Sub|140575934873152) ... }

They parse very differently

perl6 --target=parse

:​:('&say')
- statementlist​: :​:('&say')

  - statement​: 1 matches
  - EXPR​: :​:('&say')
  - longname​: :​:('&say')
  - name​: :​:('&say')
  - morename​: 1 matches
  - EXPR​: '&say'
  - value​: '&say'
  - quote​: '&say'
  - nibble​: &say

:​:( '&say')
- statementlist​: :​:( '&say')

  - statement​: 1 matches
  - EXPR​: ( '&say')
  - 0​: :​:
  - longname​: :​:
  - name​: :​:
  - morename​: 1 matches
  - postcircumfix​: ( '&say')
  - arglist​: '&say'
  - EXPR​: '&say'
  - value​: '&say'
  - quote​: '&say'
  - nibble​: &say
  - O​: <object>
  - OPER​: ( '&say')
  - arglist​: '&say'
  - EXPR​: '&say'
  - value​: '&say'
  - quote​: '&say'
  - nibble​: &say
  - O​: <object>

From @FROGGS

Patch​: rakudo/rakudo@4b1df7b018
Tests​: Raku/roast@0478776107

Closing ticket.

@FROGGS - Status changed from 'new' to 'resolved'