old_contents: # Does a case-insensitive search for a regular expression in the help texts of
  # symbols and choices and the prompts of menus and comments. Prints the
  # matching items together with their locations and the matching text.
  #
  # Usage:
  #
  #   $ make [ARCH=<arch>] scriptconfig SCRIPT=Kconfiglib/examples/help_grep.py SCRIPT_ARG=<regex>
  #
  # Shortened example output for SCRIPT_ARG=general:
  #
  #   menu "General setup"
  #   location: init/Kconfig:39
  #   
  #   config SYSVIPC
  #       bool
  #   	prompt "System V IPC"
  #   	help
  #	  ...
  #   	  exchange information. It is generally considered to be a good thing,
  #	  ...
  #   
  #   location: init/Kconfig:233
  #   
  #   config BSD_PROCESS_ACCT
  #   	bool
  #   	prompt "BSD Process Accounting" if MULTIUSER
  #   	help
  #	  ...
  #	  information.  This is generally a good idea, so say Y.
  #
  #   location: init/Kconfig:403
  #
  #   ...
  
  
  import re
  import sys
  
  from kconfiglib import Kconfig, Symbol, Choice, MENU, COMMENT
  
  
  if len(sys.argv) < 3:
      sys.exit("Pass the regex with SCRIPT_ARG=<regex>")
  
  search = re.compile(sys.argv[2], re.IGNORECASE).search
  
  for node in Kconfig(sys.argv[1]).node_iter():
      match = False
  
      if isinstance(node.item, (Symbol, Choice)) and \
         node.help is not None and search(node.help):
          print(node.item)
          match = True
  
      elif node.item == MENU and search(node.prompt[0]):
          print('menu "{}"'.format(node.prompt[0]))
          match = True
  
      elif node.item == COMMENT and search(node.prompt[0]):
          print('comment "{}"'.format(node.prompt[0]))
          match = True
  
      if match:
          print("location: {}:{}\n".format(node.filename, node.linenr))
  
new_contents: # Does a case-insensitive search for a regular expression in the help texts of
  # symbols and choices and the prompts of menus and comments. Prints the
  # matching items together with their locations and the matching text.
  #
  # Usage:
  #
  #   $ make [ARCH=<arch>] scriptconfig SCRIPT=Kconfiglib/examples/help_grep.py SCRIPT_ARG=<regex>
  #
  # Shortened example output for SCRIPT_ARG=general:
  #
  #   menu "General setup"
  #   location: init/Kconfig:39
  #   
  #   config SYSVIPC
  #   	bool
  #   	prompt "System V IPC"
  #   	help
  #   	  ...
  #   	  exchange information. It is generally considered to be a good thing,
  #   	  ...
  #   
  #   location: init/Kconfig:233
  #   
  #   config BSD_PROCESS_ACCT
  #   	bool
  #   	prompt "BSD Process Accounting" if MULTIUSER
  #   	help
  #   	  ...
  #   	  information.  This is generally a good idea, so say Y.
  #
  #   location: init/Kconfig:403
  #
  #   ...
  
  
  import re
  import sys
  
  from kconfiglib import Kconfig, Symbol, Choice, MENU, COMMENT
  
  
  if len(sys.argv) < 3:
      sys.exit("Pass the regex with SCRIPT_ARG=<regex>")
  
  search = re.compile(sys.argv[2], re.IGNORECASE).search
  
  for node in Kconfig(sys.argv[1]).node_iter():
      match = False
  
      if isinstance(node.item, (Symbol, Choice)) and \
         node.help is not None and search(node.help):
          print(node.item)
          match = True
  
      elif node.item == MENU and search(node.prompt[0]):
          print('menu "{}"'.format(node.prompt[0]))
          match = True
  
      elif node.item == COMMENT and search(node.prompt[0]):
          print('comment "{}"'.format(node.prompt[0]))
          match = True
  
      if match:
          print("location: {}:{}\n".format(node.filename, node.linenr))
  
subject: Fix comment formatting in help_grep.py