extensions/ruby/language-configuration.json
extensions/perl/perl.language-configuration.json

extensions/perl/perl6.language-configuration.json
extensions/ruby/language-configuration.json

extensions/ruby/syntaxes/ruby.tmLanguage.json
extensions/perl/syntaxes/perl6.tmLanguage.json

extensions/ruby/syntaxes/ruby.tmLanguage.json
extensions/perl/syntaxes/perl.tmLanguage.json