class_docstr: For Tcl source code.
  
  .. versionadded:: 0.10
code: def analyse_text(text):
      return shebang_matches(text, r"(tcl)")
  
imports: from pygments.lexer import RegexLexer, include, words
  from pygments.token import Text, Comment, Operator, Keyword, Name, String, Number
  from pygments.util import shebang_matches
label_desc: Use image node_id 2 for calling the TclLexer obj's underlying member method code with example usage: obj.analyse_text(text) and returns: shebang_matches