    # File lib/yard/parser/ruby/legacy/ruby_lex.rb, line 1142
          def identify_quotation(initial_char)
            ch = getc
            if lt = PERCENT_LTYPE[ch]
              initial_char += ch
              ch = getc
            elsif ch =~ /\W/
              lt = "\""
            else
              # RubyLex.fail SyntaxError, "unknown type of %string ('#{ch}')"
            end
            # if ch !~ /\W/
            #   ungetc
            #   next
            # end
            # @ltype = lt
            @quoted = ch unless @quoted = PERCENT_PAREN[ch]
            identify_string(lt, @quoted, ch, initial_char) if lt
          end