Add sanity check for wrong uses of check_hash
-rw-r--r-- 70 .gitignore
-rw-r--r-- 917 Makefile
drwxr-xr-x - data
-rw-r--r-- 349 dowkd.compile
-rw-r--r-- 14259 dowkd.in
drwxr-xr-x - gen