message: Removed redundant \
diff: @@ -25,7 +25,7 @@ import sys
  _CMAKE_DEFINE_REGEX = re.compile(r"\s*#cmakedefine\s+([A-Za-z_0-9]*)(\s.*)?$")
  _CMAKE_DEFINE01_REGEX = re.compile(r"\s*#cmakedefine01\s+([A-Za-z_0-9]*)")
  _CMAKE_VAR_REGEX = re.compile(r"\${([A-Za-z_0-9]*)}")
  -_CMAKE_ATVAR_REGEX = re.compile(r"\@([A-Za-z_0-9]*)@")
  +_CMAKE_ATVAR_REGEX = re.compile(r"@([A-Za-z_0-9]*)@")
  def _parse_args(argv):
  