Parse and ignore the .fam (font family) request.

Fixes irunner(1) in devel/ipython and uim-xim(1) in inputmethods/uim.
Thanks to naddy@ for bringing these to my attention.

1 files changed, 6 insertions, 0 deletions

diff --git a/roff.7 b/roff.7
index c7d5c9d5..d84060e9 100644
--- a/roff.7
+++ b/roff.7
@@ -638,6 +638,12 @@ Begin an equation block.
 See
 .Xr eqn 7
 for a description of the equation language.
+.Ss \&fam
+Change the font family.
+This line-scoped request is intended to have one argument specifying
+the font family to be selected.
+It is a groff extension, and currently, it is ignored including its
+arguments, and the number of arguments is not checked.
 .Ss \&hy
 Set automatic hyphenation mode.
 This line-scoped request is currently ignored.