tdoc             1528 maint/gnulib/lib/argp-help.c   const char *tdoc =
tdoc             1530 maint/gnulib/lib/argp-help.c   const char *fdoc = filter_doc (tdoc, ARGP_KEY_HELP_ARGS_DOC, argp, state);
tdoc             1554 maint/gnulib/lib/argp-help.c   if (fdoc && fdoc != tdoc)