class_docstr: Lexer for configuration files in INI style.
code: def analyse_text(text):
      npos = text.find("\n")
      if npos < 3:
          return False
      return text[0] == "[" and text[npos - 1] == "]"
  
imports: import re
  from pygments.lexer import RegexLexer, default, words, bygroups, include, using
  from pygments.token import Text, Comment, Operator, Keyword, Name, String, Number, Punctuation, Whitespace, Literal
  from pygments.lexers.shell import BashLexer
label_desc: Use image node_id 1 for calling the IniLexer obj's underlying member method code with example usage: obj.analyse_text(text) and returns: unknown, False