* subversion/tests/cmdline/svntest/main.py
(_create_parser): Add a breadcrumb for future archaeologists.  (The docstring
doesn't actually explain what the switch _does_.)
@@ -2108,7 +2108,7 @@ def _create_parser(usage=None):
help='Run the given number of tests in parallel')
parser.add_option('-c', action='store_true', dest='is_child_process',
help='Flag if we are running this python test as a ' +
- 'child process')
+ 'child process; used by build/run_tests.py:334')
parser.add_option('--mode-filter', action='store', dest='mode_filter',
default='ALL',
help='Limit tests to those with type specified (e.g. XFAIL)')
