[PATCH macros 2/3] docs: Take optional argument to control defaults

[Alan Coopersmith]

Gaetan Nadon wrote:
>     * An alternative is to overload the single parameter of the
>       XORG_WITH_<TOOL> macros such that it's value are either "no" or
>       "x.y.z" (minimum version). Usually not a nice thing to do, but in
>       this case it helps consistency. They will all have just one parm. 

I don't like it, since it doesn't allow for setting a default of
"no" and requiring a minimum version if you enable it, and argument
overloading like that just seems confusing to people trying to
figure out what the scripts do.

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