[PATCH 1.5/5] Use docbook2{html,txt,pdf} instead of xmlto

[Alan Coopersmith]

Gaetan Nadon wrote:
> Not that I am against it, but I was wondering what is the motivation
> behind the 3 configure options to select the output format. I don't
> recall if we are doing this for all other packages. Currently the intent
> is to protect the build against missing/back level doc tools which may
> give the impression it was meant as user feature to select output format.
> 
> If this selection ability is in fact required, should these options not
> be nicely integrated whit the xorg docbook macro?

I copied them from the doc/xorg-docs package, which uses the docbook2* tools
in the same fashion.   I considered adding them to the xorg-macros macro for
the benefit of both packages, but hadn't checked to see what other packages
use them and if they all have the same defaults for which formats are built.

-- 
	-Alan Coopersmith-        alan.coopersmith at oracle.com
	 Oracle Solaris Platform Engineering: X Window System