It looks like man2html on Linux does not (or does not any longer)
support the "-t" flag. Moreover, man2html seems happy to read the man
page directly. In this commit we simplify the html documentation rule
to simply call man2html on the man page itself, with no flags.
rel=$(program)-$$vers ; \
tar -cJf $${rel}.tar.xz --transform=s",^,$${rel}/," $(src);
-$(program).1.html:
- groff -m mandoc -T ascii $(program).1 | man2html -t 'Man page: $(program)(1)' >| $@;
+$(program).1.html: $(program).1
+ man2html $< > $@;