# File lib/rvg/misc.rb, line 83
        def enquote(text)
            if text.length > 2 && /\A(?:\"[^\"]+\"|\'[^\']+\'|\{[^\}]+\})\z/.match(text)
                return text
            elsif !text['\'']
                text = '\''+text+'\''
                return text
            elsif !text['"']
                text = '"'+text+'"'
                return text
            elsif !(text['{'] || text['}'])
                text = '{'+text+'}'
                return text
            end

            # escape existing braces, surround with braces
                        text.gsub!(/[}]/) { |b| '\\' + b }
            return '{' +  text + '}'
        end