Streamline X::Multi::Ambiguous listing
Streamline X::Multi::Ambiguous listing

- remove ":", it does not convey any information, clear it's a signature
- add two spaces to set it off the first line
- add "is default" status of the candidate when applicable

rakudo/rakudo,tbrowder/rakudo,rakudo/rakudo,salortiz/rakudo,salortiz/rakudo,tony-o/rakudo,tony-o/rakudo,labster/rakudo,labster/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,labster/rakudo,MasterDuke17/rakudo,rakudo/rakudo,MasterDuke17/rakudo,tony-o/rakudo,tony-o/rakudo,tony-o/rakudo,rakudo/rakudo,salortiz/rakudo,rakudo/rakudo,tbrowder/rakudo,tony-o/rakudo,MasterDuke17/rakudo,labster/rakudo,tbrowder/rakudo,salortiz/rakudo,tbrowder/rakudo,salortiz/rakudo,tbrowder/rakudo,salortiz/rakudo,labster/rakudo,labster/rakudo,MasterDuke17/rakudo,rakudo/rakudo,MasterDuke17/rakudo