In man(7), when no explicit volume name is given, use the default

volume name for the respective manual section, just like in mdoc(7).
This gives us nicer page headers for cvs(1), lynx(1), tic(1),
mkhybrid(8), and many curses(3) manuals.

ok kristaps@

To not break compatibility, i wrote a corresponding patch for GNU troff
which Werner Lemberg accepted upstream at rev. 1.65 of:
http://cvs.savannah.gnu.org/viewvc/groff/tmac/an-old.tmac?root=groff

1 files changed, 13 insertions, 0 deletions

diff --git a/man.7 b/man.7
index fa7dbb0a..ff88058e 100644
--- a/man.7
+++ b/man.7
@@ -840,6 +840,19 @@ The
 .Sx \&sp
 macro does not accept negative values in mandoc.
 In GNU troff, this would result in strange behaviour.
+.It
+In page header lines, GNU troff versions up to and including 1.21
+only print
+.Ar volume
+names explicitly specified in the
+.Sx \&TH
+macro; mandoc and newer groff print the default volume name
+corresponding to the
+.Ar section
+number when no
+.Ar volume
+is given, like in
+.Xr mdoc 7 .
 .El
 .Sh SEE ALSO
 .Xr man 1 ,