ws_check         1552 builtin/apply.c 	unsigned result = ws_check(line + 1, len - 1, ws_rule);
ws_check         1655 cache.h        extern unsigned ws_check(const char *line, int len, unsigned ws_rule);
ws_check         2116 diff.c         		bad = ws_check(line + 1, len - 1, data->ws_rule);