code: def quoted_field_name(quote_mark):
      return [
          (
              r"([^{quote}\\]|\\.)*{quote}".format(quote=quote_mark),
              Name.Variable,
              "field_separator",
          )
      ]
  
imports: from pygments.lexer import include, RegexLexer, words
  from pygments.token import Comment, Keyword, Name, Number, Operator, Punctuation, String, Text, Whitespace
label_desc: Use image node_id 2 for calling a global function with example usage: quoted_field_name(quote_mark) and returns: list