- Since default layout boxes actually just look ugly, but are still useful,
rework previous solution: instead of omitting them completely, draw them
in a slim fashion. Also, give option a better name (SLIM_LAYOUT_BOX)
- Apparently, Xmb* -> Xutf8* conversion was only safe thing to do with UTF-8
locales; those who use traditional (8-bit) locales and experience problems
with fonts should try rebuilding the port with UTF8_TEXT option unset
- Since our `devel/9base' port installs rc(1) but not read(1), it is of
little use as rdep anyway (`devel/plan9port' installs more complete set
of things, but is unfortunately broken on 8.0+)
- While here, pacify portlint(1) and remove _XOPEN_SOURCE definition to
prevent some warnings
