to call a shell script which outputs nothing if the file is not present.
Remove the "whatis" file for ports where it does not contain anything
useful and hasn't been updated for years. OK tsutsui@, hubertf@.
for the most part, skeleton files that allow the amd64 INSTALL document
to have all the platform-independent bits, with very little MD stuff.
The MD pieces will have to wait for someone familiar with the platform
to add them.