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grammar: line(s?) /\z/ { $item[1] } line: <skip:[ \t]+> command arg(s?) "\n" { [$item[2], $item[3]] } command: /\w+/ arg: <perl_quotelike>
grammar: line(s?) /\z/ { $item[1] } line: <skip:'[ \t]*'> command arg(s?) "\n" { [$item[2], @{$item[3]}] } command: /\w+/ arg: /\w+/ | <perl_quotelike> { $item[1][2] }