Adrian Bunk writes: > `include' > `-i' in `etags'; `-I' in `m4'. > > `include-dir' > `-I' in Make. shouldn't that be under `include-dir' for m4? `-IDIR' `--include=DIR' Make `m4' search DIR for included files that are not found in the current working directory. *Note Search Path:: for more details. -- things change. decklin@red-bean.com