merge twm 1.0.13.1.

initial import of twm-1.0.13.1

twm: fix sub-menu handling

Patch from RVP.

Fixes PR 58979.

merge mkfontscale 1.2.2, twm 1.0.12, xauth 1.1.2, and xdm 1.1.13.

initial import of twm-1.0.12

Use the upstream-friendly version sent upstream.

Upstream would prefer to use __datadir__ because it's defined by
automake, and the default path used for installing system.twmrc.

Use the correct path for the twm.systemrc file.

Thanks robert for the heads up.

merge mkfontscale 1.1.3, twm 1.0.10, oclock 1.0.4 and viewres 1.0.5.

initial import of twm-1.0.10

constify to fix build (with minimal changes)

initial import of twm-1.0.9

do not try to extend the font-pattern with a wild-card. This will almost
always select the wrong fontset and use wrong metrics.

initial import of twm-1.0.8

initial import of twm-1.0.7

initial import of twm-1.0.6

merge cornflakes

initial import of twm-1.0.5

Remove generated files that should not have been part of the distribution
in the first place. This fixes twm's config file parser.

ok mrg@.

initial import of twm-1.0.4