The `man' program, which I believe is currently used in the majority of
GNU/Linux distros, claims, as indicated by its own `manpage', to adjust the
displayed width of the formatted output to fit the width of the console; it
does this by injecting a `.ll' request into the nroff input stream, something
along the lines of:--
(echo .ll 12.7i; /bin/cat /usr/man/man1/groff.1) | nroff -mandoc
This used to work perfectly, with groff-1.17.x, but some recent changes in
an-old.tmac, (I'm not sure at which point it occurred), have broken this;
specifically, the initialisations:
.ie n .nr LL 78n
:
.ll \\n[LL]u
override the injected `.ll' request, forcing an output line length of 78n,
regardless of the width of the console display.
Looking in an-old.tmac, it would seem that the LL register is mostly
redundant; it is only ever used *once* in the above `.ll' initialisation,
which appears within the `TH' macro. Thus, it could probably be dispensed
with altogether; however, if it is deemed worthwhile to retain it, this
patch will restore the behaviour expected by `man'...
Index: tmac/an-old.tmac
===================================================================
RCS file: /cvsroot/groff/groff/tmac/an-old.tmac,v
retrieving revision 1.51
diff -u -r1.51 an-old.tmac
--- tmac/an-old.tmac 26 May 2005 21:02:01 -0000 1.51
+++ tmac/an-old.tmac 12 Aug 2005 22:38:58 -0000
@@ -63,7 +63,7 @@
.nr need_eo_h 0
.
.if !r LL \{\
-. ie n .nr LL 78n
+. ie n .nr LL \n[.l]
. el .nr LL 6.5i
.\}
.if !r LT \
Best regards,
Keith.
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