Remove the dependency on the ancient and unmaintained texi2html, which
was difficult to get running on most distros other than openSUSE.
There are two more modern alternative approaches which can replace
this:
- Use texi2any
- Use makeinfo --html --no-split
The latter seems to be the standard way these days, so we switch to
that; however we keep Makefile rules for all three, and a phony
meta-rule 'manual-single-html-all' to allow quick comparison between
them. Make tweaks accordingly to minimise the differences and improve
the output.
The rules for the older two approaches do not get triggered by
default.
Fixes#21: https://github.com/aspiers/stow/issues/21
This is now necessary in order to prevent pause.perl.org from
complaining:
Status: Decreasing version number
=================================
module : Stow::Util
version: undef
in file: lib/Stow/Util.pm
status : Not indexed because lib/Stow/Util.pm in
A/AS/ASPIERS/Stow-v2.2.0.tar.gz has a higher version number
(0)
