libXcomposite DocBook/man page draft for review

[Egbert Eich]

Daniel Stone writes:
 > On Sat, Apr 28, 2007 at 12:06:17AM -0700, Alan Coopersmith wrote:
 > > Since then I got one bit on IRC:
 > >  PauloZanoni: I was trying to compile libXcomposite, and it was giving me
 > >               an error (no rule to process Xcomposite). it took me a while
 > >               to find out that I didn't have the "xmlto" command. I saw that
 > >               ./configure identified that I didn't have the package, but it
 > >               didn't give me any error or warning message. maybe adding a
 > >               message or an error when xmlto is not found would be good?
 > > 
 > > This should only affect those building from git, since the tarballs will
 > > include the prebuilt man page, but for those people, I'll add in a warning
 > > in configure.ac.
 > 
 > Why not either an error, or not building the docs at all?
 > 

I would opt for the second while still dumping a warning.
It's kind of nasty to be stalled in building binaries only
because some tool to generate the docs isn't available.

Cheers,
	Egbert.