Re: [Groff] Setting different page lengths for troff and nroff

[Keith MARSHALL]

Greg Lehey wrote, quoting Clarke Echols:
>> Have you tried ".ifn" and ".ift" (if nroff and if troff)?
>
> Yes, though I write it '.if t' and '.if n'.  '.ifn' doesn't work;
> possibly this is a contracted form that no longer works.

".ifn" is AT&T syntax; since AT&T troff allows only two characters
in a request name, this is interpreted as ".if n", with the missing
space implicitly understood.  To support arbitrary long request
names, groff *never* allows this space to be omitted.

Regards,
Keith.