-mm .TH N really does work

[Bruce Lilly]

                           Groff Bug Report

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GROFF VERSION:
1.17

MACHINE:
Sony PCV-J100

OS:
Microsoft Windows 2000 SP1 with UWIN 2.9
(see http://www.research.att.com/sw/tools/uwin/)

COMPILER:
Microsoft VC++ 6.0 SP5 with UWIN front end

INPUT FILES:
===================== tbltest.mm ================================
.TS H
tab(Z);
lw(1.5i)f(B)Zlw(4i)fB .
inputZdescription
_
.TH N
.T&
lw(1.5i)f(I)Zlw(4i) .
\&.TS HZstart table with repeated heading
lw(1.5i)f(B) lw(4i)fB .Ztable specification for heading
\&...
\&_Zhorizontal rule
.TE
.TS H
tab(Z);
lw(1.5i)f(B)Zs .
(continued)
=
.TH N
.T&
lw(1.5i)f(I)Zlw(4i) .
\&.TH NZend of table heading
\&.T&Znew table section
lw(1.5i)f(I) lw(4i) .Ztable specification for remainder of table
\&...
\&.TEZend of table
\&.TS HZstart table with repeated heading (continuation of previous table)
lw(1.5i)f(B) s .Ztable specification for heading
\&...
\&=Zdouble horizontal rule
\&.TH NZend of table heading
\&.T&Znew table section
lw(1.5i)f(I) lw(4i) .Ztable specification for remainder of table
\&...
\&.TEZend of table
.TE
=================================================================

COMMAND LINE:
groff -t -mm -Tps tbltest.mm > tbltest.ps

DESCRIPTION OF INCORRECT BEHAVIOUR:
error message is incorrect


SUGGESTED FIX [optional]:
*** contrib/mm/m.tmac.orig      Sat Apr 28 14:55:04 2001
--- contrib/mm/m.tmac   Sat Apr 28 14:58:21 2001
***************
*** 2258,2264 ****
  .nr tbl*header-written 1
  ..
  .de TH
- .if '\\$1'N' @error TH: N not implemented yet. Sorry.
  .ie '\\n[.z]'tbl*header-div' \{\
  .     nr T. 0
  .     T#
--- 2258,2263 ----