# File lib/mail/parsers/rfc2822.rb, line 117 def _nt_CRLF start_index = index if node_cache[:CRLF].has_key?(index) cached = node_cache[:CRLF][index] @index = cached.interval.end if cached return cached end if has_terminal?("\r\n", false, index) r0 = instantiate_node(SyntaxNode,input, index...(index + 2)) @index += 2 else terminal_parse_failure("\r\n") r0 = nil end node_cache[:CRLF][start_index] = r0 r0 end