* ks/cleanups:
  percept: Clean up as suggested by tidier
  percept: Modernize types and specs
  parsetools: Don't use 'try...of' when 'try' will do
  parsetools: Use %% for comments at the beginning of a line
  parsetools: Replace lists:keysearch/3 with lists:keyfind/3
  parsetools: Modernize types and specs
  parsetools: Replace TABs with spaces
  runtime_tools: Modernize specs
  sasl: Eliminate tuple used as fun
  sasl: Add missing modules to app file
  asn1: Clean up as suggested by tidier
  os_mon: Modernize types and specs
  wx: Clean up as suggested by tidier

OTP-8455  ks/cleanups