flowchart LR
  Start[Start]
  Stop[Stop]
  Start --> Init(( ))
  Init --> OpenQuote([<tt>'</tt>])
  OpenQuote --> EndQuote([<tt>'</tt>])
  OpenQuote --> PreChar(( ))
  PreChar --> EndQuote
  PreChar --> Char([any character except <tt>'</tt> or CR/LF])
  Char --> PreChar
  PreChar --> DoubleQuote([<tt>''</tt>])
  DoubleQuote --> PreChar
  EndQuote --> Final(( ))
  Init --> Pound([<tt>#</tt>])
  Pound --> Dollar([<tt>$</tt>])
  Pound --> Dec([<tt>0</tt>..<tt>9</tt>])
  Dec --> Dec
  Dec --> Final
  Dollar --> Hex([<tt>0</tt>..<tt>9</tt> / <tt>A</tt>..<tt>F</tt> / <tt>a</tt>..<tt>f</tt>])
  Hex --> Hex
  Hex --> Final
  Final --> Init
  Final --> Stop