src/games/wtf/wtf:
- Correct `usage' (to match new `SYNOPSIS' from man page);
- augment comment on quering pkgsrc's help facility;
- correct interpretation of pkgsrc' help facility query result.
src/games/wtf/wtf.6:
- enhance `SYNOPSIS', document description (`.Dd'), and overal
program description;
- augment description about quering pkgsrc's help facility;
- improve wording;
- augment `HISTORY' section;
- bump date.
* Search all acronyms databases, and don't force the user to
know in which category to look (-t is gone)
* If an acronym is not found in the database or by whatis(1),
also check pkg_info(1). Per PR bin/30539 by Geert Hendrickx
(geert.hendrickx@ua.ac.be)
OK'd by Julio M. Merino Vidal <jmmv>