Add install file magic for info-install with optional texinfo.
Signoff both, Allan
- [arch-dev-public] [signoff] autoconf-2.65-2 Allan McRae
- Re: [arch-dev-public] [signoff] autoconf-2.65-2 Dan McGee
- Re: [arch-dev-public] [signoff] autoconf-2.65-2 Andrea Scarpino
