# File lib/mail/parsers/rfc2822.rb, line 54 def _nt_DQUOTE start_index = index if node_cache[:DQUOTE].has_key?(index) cached = node_cache[:DQUOTE][index] @index = cached.interval.end if cached return cached end if has_terminal?('"', false, index) r0 = instantiate_node(SyntaxNode,input, index...(index + 1)) @index += 1 else terminal_parse_failure('"') r0 = nil end node_cache[:DQUOTE][start_index] = r0 r0 end