an-old.tmac: 'an-page-string' in macro 'an-p-footer' can be undefined

[Bjarni Ingi Gislason]

                           Groff Bug Report

GROFF VERSION: 1.22.2
'current-groff' from 12th October 2013

MACHINE: laptop i586

OS: Linux 3.2.46-1-rt67-1 (Debian)

COMPILER: gcc (Debian 4.7.2-5) 4.7.2

INPUT FILES:
  Any manual (example is 'neqn.1' in groff)

COMMAND LINE:
groff -rX1 -ww -b -mandoc -z <manual>

DESCRIPTION OF INCORRECT BEHAVIOUR:

.../share/groff/1.22.2/tmac/an-old.tmac:268: backtrace: macro `BT'
.../share/groff/1.22.2/tmac/an-old.tmac:329: backtrace: trap-invoked macro 
`an-p-footer'
.../share/groff/1.22.2/tmac/an-old.tmac:299: backtrace: trap-invoked macro 
`an-footer'
troff: warning: macro `an-page-string' not defined

  In the macro 'an-p-footer' and the case \n% <= \nX the string
'an-page-string' is not defined

SUGGESTED FIX [optional]:

--- an-old.tmac 2013-10-17 20:55:18.000000000 +0000
+++ an-old.tmac.new     2013-10-17 21:52:41.000000000 +0000
@@ -306,8 +306,8 @@
 .  ps \\n[PS]u
 .  vs \\n[VS]u
 .  lt \\n[LT]u
+.  ds an-page-string
 .  ie \\n[an-html] \{\
-.    ds an-page-string
 .    ds an-extra1
 .    ds an-extra2
 .  \}