nl_tokens: check if its a DOC end sequence
pl_tokens: function ( ) { // @fixme : check if out of text limits if ( this . _input . substring ( this . offset - 1 , this . offset - 1 + this . heredoc_label . length ) === this . heredoc_label ) { const ch = this . _input [ this . offset - 1 + this . heredoc_label . length ] ; if ( ch === "\n" || ch === "\r" || ch === ";" ) { return <mask> ; } } return false ; }