Re: [Groff] geqn problem?

[Andrew Koenig]

>> They don't work because of what is apparently an undocumented
>> feature in the version of troff I'm using: It sets the .P string
>> register to the value of what in groff would be the --prefix
>> installation option.

Werner> Which troff version do you use?

It's part of what is called ``DWB 3.4,'' and as far as I know is the
last version that the internal group that supported it shipped before
closing up shop.

>> Obviously a workaround is to set .P manually in advance, but for the
>> long term it might be useful to emulate this feature (perhaps even
>> when not in compatibility mode).

Werner> Sorry, but I won't do that.  The value of .P is too weird, and it has
Werner> absolutely no connection with the setup of groff.  I suggest that you
Werner> modify troffrc to set .P there.  Then put this file into the
Werner> <prefix>/groff/site-tmac directory which is searched before
Werner> <prefix>/groff/<version>/tmac.

Werner> `site-tmac' is a new feature of groff 1.17 (to appear in a few days).

That's a sensible idea.