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freebsd-src/contrib/groff/PROBLEMS
Ruslan Ermilov 1d5f6a94a8 Virgin import of FSF groff v1.17
2001-04-17 12:12:05 +00:00

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This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file describes various problems that have been encountered in
compiling, installing and running groff. Suggestions for additions or
other improvements to this file are welcome.
----------------------------------------------------------------------
* My document says that the current year is 19100, not 2000.
In groff, as in traditional troff, the yr number register yields the
year minus 1900. Unfortunately, there is a longstanding bug in the
Troff User's Manual <http://cm.bell-labs.com/cm/cs/cstr/54.ps.gz>,
which incorrectly claims that yr is the last two digits of the year.
This claim was never true of either Unix troff or of groff.
If your text looks like this:
.\" Wrong:
This document was formatted in 19\n(yr.
you can correct it as follows:
This document was formatted in \n[year].
or, if you want to be portable to older troff versions, as follows:
.nr y4 1900+\n(yr
This document was formatted in \n(y4.
----------------------------------------------------------------------
* I get lots of `numeric overflow' error messages whenever I run
groff; I compiled groff with AT&T C++ 2.0 with an ANSI C compiler.
Make sure -DCFRONT_ANSI_BUG is included in DEFINES in the top-level
Makefile. If that doesn't solve the problem, define INT_MIN as
-INT_MAX in libgroff/lib.h.
----------------------------------------------------------------------
* I get errors when I try to compile groff with Sun C++ version 5.0
or 5.1.
This is a known problem; see Sun bug #4301919. As of this writing, no
patch is available. Use GCC 2.95.2 or later instead.
----------------------------------------------------------------------
* I get errors when I try to compile groff with Sun C++ version 3 or
earlier.
Groff requires header files that are moderately compatible with AT&T
C++ and ANSI C. With some versions of Sun C++, the supplied header
files need some of the following changes to meet this requirement:
<string.h> must declare the mem* functions, (just add `#include
<memory.h>' to <string.h>); the first argument to fopen and freopen
should be declared as `const char *'; the first argument to fread
should be declared as `void *'; the first argument to fwrite should be
declared as `const void *'; malloc should be declared to return
`void *'; in <alloca.h>, the declaration `extern "C" { void
*__builtin_alloca(int); }' should be added; in <sys/signal.h> the
return type and the second argument type of signal() should be changed
to be `void (*)(int)'.
You can either change them in place, or copy them to some other
directory and include that directory with a -I option.
----------------------------------------------------------------------
* The configure script fails on OS/390 Unix.
There is a bug in the Language Environment (LE) whereby the test
program for static destructors fails. You will see the message
'configure: error: a working C++ compiler is required'
Applying PTF UQ42006 is supposed to fix this, but the test program is
still returning the wrong value (1). To work around this problem, you
can comment out the following in the configure script (near line 956).
This will effectively bypass the test (static constructors and
destructors do actually work properly):
#if { (eval echo configure:957: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
#then
echo "$ac_t""yes" 1>&6
#else
# echo "configure: failed program was:" >&5
# cat conftest.$ac_ext >&5
# rm -fr conftest*
# echo "$ac_t""no" 1>&6;{ echo "configure: error: a working C++ compiler is required" 1>&2; exit 1; }
#fi
----------------------------------------------------------------------
* I get errors when I try to compile groff with DEC C++.
Fix the declaration of write() in <unistd.h> so that the second
argument is a const char *. Fix the declaration of open() in
<sys/file.h> so that the first argument is a const char *.
----------------------------------------------------------------------
* On a host using Unix make (e.g. Solaris), if you are compiling for
multiple architectures by building in a subdirectory, the make stops
with a message like this:
make: Fatal error: Don't know how to make target `assert.o'
or like this:
make: Fatal error: Can't find /u/src/groff/src/include/Makefile.sub': No such file or directory
This occurs because GNU make and Unix make handle VPATH differently,
and the groff build relies on GNU make's VPATH handling.
Use GNU make to work around the problem. In Solaris 8, GNU make is
on the Software Companion CD and is installed as /opt/sfw/bin/gmake.
----------------------------------------------------------------------
* On Ultrix, the make stops with the message
*** Error code 1
Stop.
for no apparent reason.
Use GNU make.
----------------------------------------------------------------------
* I'm having problems compiling groff on 386BSD 0.1.
If you're using ash as /bin/sh, you'll need the following patch.
*** gendef.sh.org Sun Jun 30 13:30:36 1991
--- gendef.sh Sun Feb 28 10:23:49 1993
***************
*** 3,9 ****
file=$1
shift
! defs="#define $1"
shift
for def
do
--- 3,10 ----
file=$1
shift
! x=$1
! defs="#define $x"
shift
for def
do
You'll also need to change dirnamemax.c so that it doesn't use
pathconf().
----------------------------------------------------------------------
* While compiling on Xenix, ranlib libgroff.a fails.
The system ranlib can't handle externals longer than 40 characters.
Use the ranlib included in demon.co.uk:/pub/xenix/g++-1.40.3a.v1
instead.
----------------------------------------------------------------------
* There are many empty `Makefile.dep' files. Is this a bug?
No. Real dependency files are created with a `make depend' call.
----------------------------------------------------------------------
* Groff can't handle my troff document. It works fine with AT&T troff.
Read the section on incompatibilities in gtroff(1). Try using the -C
option. Alternatively there's the sed script `tmac/fixmacros.sed'
which will attempt to edit a file of macros so that it can be used
with groff without the -C flag.
----------------------------------------------------------------------
* groff -Tdvi produces dvi files that use fonts at weird
magnifications.
Yes, it does. You may need to compile fonts with Metafont at these
magnifications. The CompileFonts script in the devdvi/generate
directory may help you to do this. (It will take a *long* time on
slow computers.)
----------------------------------------------------------------------
* pic output is not centered horizontally; pictures sometimes run off
the bottom of the page.
The macro package you are using is not supplying appropriate
definitions of PS and PE. Give groff a -mpic option.
----------------------------------------------------------------------
* I'm having problems including PostScript illustrations using the
PSPIC macro.
A PostScript document must meet three requirements in order to be
included with the PSPIC macro: it must comply with the Adobe Document
Structuring Conventions; it must contain a BoundingBox line; it must
be ``well-behaved''. The BoundingBox line should be of the form:
%%BoundingBox: llx lly urx ury
where llx, lly, urx, ury are the coordinates of the lower left x,
lower left y, upper right x, upper right y of the bounding box of
marks on the page expressed as integers in the default PostScript
coordinate system (72 units per inch, origin at bottom left corner).
A useful tactic is to print out the illustration by itself (you may
need to add a `showpage' at the end), and physically measure the
bounding box. For more detail on these requirements, read the
specification of Encapsulated PostScript format. (This is available
from the Adobe file server; send a message with a body of `help' to
ps-file-server@adobe.com.)
----------------------------------------------------------------------
* I've configured groff for A4 paper, but gtroff still seems to think
that the length of a page (as returned by `\n(.p') is 11 inches.
This is intentional. The PAGE option is used only by grops. For
compatibility with ditroff, the default page length in gtroff is
always 11 inches. The page length can be changed with the `pl'
request.
----------------------------------------------------------------------
* groff produces wrapper macros for `ms' and friends which call the
system's original macros. Then, to get groff's ms macro package I
have to use `-mgs' instead `-ms'. Can I avoid this?
Yes. Configure and compile groff as usual, but install it with
make install tmac_wrap=""
Then no wrapper files are produced, and `-ms' will use groff's `ms'
macros.
----------------------------------------------------------------------
* Groff doesn't use the font names I'm used to.
Use the `ftr' request. See (g)troff(1).
----------------------------------------------------------------------
* I get errors using the Unix -ms macros with groff -e -C.
Apply this change:
*** /usr/lib/ms/ms.eqn Tue Apr 25 02:14:28 1989
--- ms.eqn Sun Nov 11 10:33:59 1990
***************
*** 22,29 ****
..
. \" EN - end of a displayed equation
.de EN
! .if !\\*(10 .br
.di
.rm EZ
.nr ZN \\n(dn
.if \\n(ZN>0 .if \\n(YE=0 .LP
--- 22,30 ----
..
. \" EN - end of a displayed equation
.de EN
! .if \\n(.k>0 .br
.di
+ .ds 10 \\*(EZ\\
.rm EZ
.nr ZN \\n(dn
.if \\n(ZN>0 .if \\n(YE=0 .LP
----------------------------------------------------------------------
* gpic doesn't accept the syntax `chop N M' for chopping both ends of
a line.
The correct syntax is `chop N chop M'.
----------------------------------------------------------------------
* With gpic -t, when I print `line ->; box' using a dvi to ps program,
the arrow head sticks through into the inside of the box.
The dvi to ps program should be modified to set the line cap and line
join parameters to 1 while printing tpic specials.
----------------------------------------------------------------------
* When I print the output groff -Tps, the output is always shifted up
by about 0.7 inches; I'm using 8.5x11 inch paper.
Make sure that PAGE is defined to be `letter' in the top-level
Makefile.
----------------------------------------------------------------------
* When I try to print the output of groff -Tps, I get no output at all
from the printer, and the log file shows the error
%%[ error: undefined; offendingcommand: BP ]%%
I'm using TranScript spooling software.
This is a bug in the page reversal filter in early versions of
TranScript. Change the `broken' parameter in
/usr/local/lib/groff/font/devps/DESC to 7.
----------------------------------------------------------------------
* When I preview groff -Tps output using the Sun OpenWindows 2.0
pageview program, all the pages are displayed on top of each other.
This is a defect in pageview. Change the `broken' parameter in
/usr/local/lib/groff/font/devps/DESC to 2.
----------------------------------------------------------------------
* With groff -TX75, -TX100 or -X, I can only view the first page.
The left mouse button brings up a menu that allows you to view other
pages.
----------------------------------------------------------------------
* When I print the output of groff -Tdvi, I just get a black dot in
upper left corner.
Some dvi drivers (notably early versions of xtex) do not correctly
handle dvi files that use a resolution different from that used by dvi
files produced by TeX. Try getting a more up to date driver.
----------------------------------------------------------------------
* I get lots of errors when I use groff with the AT&T -mm macros.
Use the groff -mm macros.
----------------------------------------------------------------------
* gtroff doesn't understand lines like `.ce99' with no space between
the name of the request or macro and the arguments.
gtroff requires a space between macro or request and its arguments
because it allows the use of long names for macros and requests. You
can use the -C option or the `cp' request to put gtroff into a
compatibility mode in which it is not possible to use long names for
macros but in which no space is required between macros and their
arguments. The use of compatibility mode is strongly discouraged.
----------------------------------------------------------------------
* gtroff gives warnings about lines like
.ev \" a comment
(with a tab after the .ev).
A tab character cannot be used as a substitute for a space character
(except in one case: between a control character at the beginning of a
line and the name of a macro or request). For example, in Unix troff
.ps \" restore the previous point size
(with a tab after the .ps) will NOT restore the previous point-size;
instead it will be silently ignored. Since this is very likely to be
an error, gtroff can give a warning about it. If you want to align
comments, you can do it like this:
.ev\" \" a comment
----------------------------------------------------------------------
* I don't like the page headers and footers produced by groff -man.
There seem to be many different styles of page header and footer
produced by different versions of the -man macros. You will need to
modify tmac/an-old.tmac to suit your personal taste. For example, if
you want the center of the page header to say
System Programmer's Manual
you will need to change the line
.el .ds an-extra3 \"System Programmer's Manual
to
.el .ds an-extra3 System Programmer's Manual
----------------------------------------------------------------------
* While formatting a manual page, groff complains about not being able
to break lines. The problem seems to be caused by a line like:
.TP \w'label'+2
The -man documentation says that the default scale indicator for TP
macro is `n'. The groff -man macros implement this correctly, so that
the argument will be evaluated as if it were
\w'label'n+2n
The Unix -man macros don't implement this correctly (probably because
it's hard to do in Unix troff); they just append `n' to the entire
argument, so that it will be evaluated as if it were
\w'label'u+2n
The solution is to fix the manual page:
.TP \w'label'u+2
----------------------------------------------------------------------
* I'm having problems formatting Ultrix man pages with groff -man.
The Ultrix man pages use a number of non-standard extensions to the
Unix man macros. One solution is to use the Ultrix -man macros with
groff. Copy /usr/lib/tmac/tmac.an to
/usr/local/share/groff/site-tmac/an.tmac and apply the following patch
(from Frank Wortner):
*** /usr/local/lib/groff/tmac/tmac.an Wed Sep 9 12:29:28 1992
--- /usr/lib/tmac/tmac.an Fri Jul 24 19:58:19 1992
***************
*** 489,495 ****
. \" make special case of shift out of italic
.de }S
.ds ]F
! .if \\$12 .if !\\$5 .ds ]F \^
.ie !\\$4 .}S \\$2 \\$1 "\\$3\f\\$1\\$4\\*(]F" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
.el \\$3
.}f
--- 489,495 ----
. \" make special case of shift out of italic
.de }S
.ds ]F
! .if \\$12 .if !\\$5 .ds ]F\^
.ie !\\$4 .}S \\$2 \\$1 "\\$3\f\\$1\\$4\\*(]F" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"
.el \\$3
.}f
Another possible solution is to install tmac/man.ultrix as
/usr/local/share/groff/site-tmac/man.local.
----------------------------------------------------------------------
* I'm having problems formatting HP-UX 9.0 man pages with groff -man.
Copy HP's tmac.an into /usr/local/share/groff/site-tmac/an.tmac, and
either put `.cp 1' at the beginning or filter it (and any files it .so's)
through tmac/fixmacros.sed.
----------------------------------------------------------------------
* On HP-UX, the compiler complains about missing symbol `alloca'.
Say
export LDFLAGS=-lPW
before starting the configure script.
----------------------------------------------------------------------
* I'm having problems formatting man pages produced by the perl
wrapman script.
Some versions of wrapman have a superfluous blank line before the .TH
line. This must be deleted. Then either use groff -C, or apply the
following patch:
*** wrapman.~2~ Sun Jan 19 12:10:24 1992
--- wrapman Tue Aug 10 02:06:41 1993
***************
*** 35,41 ****
$line1 .= <IN> if $line1 =~ /eval/;
$line1 .= <IN> if $line1 =~ /argv/;
$line2 = <IN>;
! next if $line2 eq "'di';\n";
# Pull the old switcheroo.
--- 35,41 ----
$line1 .= <IN> if $line1 =~ /eval/;
$line1 .= <IN> if $line1 =~ /argv/;
$line2 = <IN>;
! next if $line2 eq "'di ';\n" || $line2 eq "'di';\n";
# Pull the old switcheroo.
***************
*** 49,56 ****
print OUT $line1;
print OUT <<EOF;
! 'di';
! 'ig00';
#
# $header
#
--- 49,58 ----
print OUT $line1;
print OUT <<EOF;
! 'di ';
! 'ds 00 \\"';
! 'eo ';
! 'ig 00 ';
#
# $header
#
***************
*** 72,85 ****
# These next few lines are legal in both Perl and nroff.
! $null.00; # finish .ig
'di \\" finish diversion--previous line must be blank
.nr nl 0-1 \\" fake up transition to first page again
.nr % 0 \\" start at page 1
! '; __END__ ##### From here on it's a standard manual page #####
.TH $PROG 1 "$month $mday, 19$year"
- .AT 3
.SH NAME
$prog \\- whatever
.SH SYNOPSIS
--- 74,87 ----
# These next few lines are legal in both Perl and nroff.
! $null.00 ; # finish .ig
! 'ec \\';
'di \\" finish diversion--previous line must be blank
.nr nl 0-1 \\" fake up transition to first page again
.nr % 0 \\" start at page 1
! .\\"'; __END__ ##### From here on it's a standard manual page #####
.TH $PROG 1 "$month $mday, 19$year"
.SH NAME
$prog \\- whatever
.SH SYNOPSIS
----------------------------------------------------------------------
* When I preview documents using -TX75 or -TX100, the layout is not
the same as when I print the document with -Tps: the line and page
breaks come in different places.
Use groff -X -Tps.
----------------------------------------------------------------------
* When I try to run gxditview, I get the error:
Error: Widget viewport has zero width and/or height
This error means you haven't correctly installed the application
defaults file, GXditview.ad; ``make install'' does this for you
automatically, so either you didn't do ``make install'', or you don't
have imake configured correctly.
----------------------------------------------------------------------
* groff uses up an enormous amount of memory processing large files.
I'm using 386BSD 0.1.
386BSD includes an old version of g++, 1.39, which has a bug that
causes a major memory leak in gtroff. Apply the following fix to g++
and recompile groff:
*** cplus-decl.c.~1~ Mon Aug 6 05:28:59 1990
--- cplus-decl.c Wed Jun 5 08:55:04 1991
***************
*** 7951,7961 ****
/* At the end, call delete if that's what's requested. */
if (TREE_GETS_DELETE (current_class_type))
exprstmt = build_method_call (build1 (NOP_EXPR, TYPE_POINTER_TO (current_class_type), error_mark_node),
get_identifier (OPERATOR_DELETE_FORMAT),
! build_tree_list (NULL_TREE, integer_zero_node),
NULL_TREE, LOOKUP_NORMAL);
else if (TYPE_USES_VIRTUAL_BASECLASSES (current_class_type))
exprstmt = build_x_delete (ptr_type_node, current_class_decl, 0);
else
exprstmt = 0;
--- 7951,7961 ----
/* At the end, call delete if that's what's requested. */
if (TREE_GETS_DELETE (current_class_type))
exprstmt = build_method_call (build1 (NOP_EXPR, TYPE_POINTER_TO (current_class_type), error_mark_node),
get_identifier (OPERATOR_DELETE_FORMAT),
! build_tree_list (NULL_TREE, current_class_decl),
NULL_TREE, LOOKUP_NORMAL);
else if (TYPE_USES_VIRTUAL_BASECLASSES (current_class_type))
exprstmt = build_x_delete (ptr_type_node, current_class_decl, 0);
else
exprstmt = 0;
----------------------------------------------------------------------
* Where can I get grap?
Ted Faber <faber@lunabase.org> has written a freely available grap:
http://www.lunabase.org/~faber/Vault/software/grap/
----------------------------------------------------------------------
* How can I use groff with an old LaserJet printer that doesn't work
with groff -Tlj4?
You have at least 3 options:
- use groff -Tps with GNU Ghostscript;
- use groff -Tdvi with a TeX .dvi to Laserjet driver;
- use groff with the LaserJet driver in Chris Lewis' psroff package
(available for ftp from:
ftp.uunet.ca:/distrib/chris_lewis/psroff3.0pl17).
----------------------------------------------------------------------
* Groff seems to generate level 3 Postscript, but my printer is only a
level 1 or 2 PostScript printer.
In fact groff generates only level 1 PostScript. The `%!PS-Adobe-3.0'
comment at the beginning of PostScript output generated by groff
indicates that the file conforms to version 3.0 of the Adobe Document
Structuring Conventions. The output generated by groff should be
printable on any PostScript printer. Problems with groff output's not
printing are most often caused by the spooling system.
----------------------------------------------------------------------
* The \n(st and \n(sb registers don't seem to work. I thought \w set
them to the height and depth of its argument, but the registers
always seem to be 0.
\n(st and \n(sb aren't supposed to give the height and depth of the
string rather they give the minimum and maximum vertical displacement
of the baseline. For example for \v'2u'\v'-3u', \n(st will be 1 and
\n(sb will be -2. The height and depth of the string is available in
the \n[rst] and \n[rsb] registers: these are groff extensions.
----------------------------------------------------------------------
* On an SGI system, how can I make the man command use groff?
From David Hinds <dhinds@allegro.stanford.edu> (some of these steps
are unnecessary if you install with the `g' Makefile variable defined
as empty):
Create a script called 'eqn':
> #!/bin/sh
> if [ ${1:-""} = /usr/pub/eqnchar ] ; then shift ; fi
> geqn $*
and a script called 'neqn':
> #!/bin/sh
> if [ ${1:-""} = /usr/pub/eqnchar ] ; then shift ; fi
> geqn -Tascii $*
and do:
> ln -s gnroff nroff
and edit the end of the gnroff script to be:
> rest=`echo ${1+"$@"} | sed -e 's+/usr/lib/tmac+/usr/local/lib/groff/tmac+'`
> exec groff -Wall -mtty-char $T $opts $rest
To get PostScript output from 'man -t', you also need to create a
'psroff' script similar to 'nroff'. Here are the context diffs:
*** /usr/local/bin/nroff Sat Feb 13 15:51:09 1993
--- /usr/local/bin/psroff Sat Feb 13 17:45:46 1993
***************
*** 1,8 ****
#!/bin/sh
! # Emulate nroff with groff.
prog="$0"
! T=-Tascii
opts=
for i
--- 1,8 ----
#!/bin/sh
! # Emulate psroff with groff.
prog="$0"
! T=-Tps
opts=
for i
***************
*** 25,30 ****
--- 25,33 ----
-Tascii|-Tlatin1)
T=$1
;;
+ -t)
+ # ignore -- default is send to stdout
+ ;;
-T*)
# ignore other devices
;;
***************
*** 49,53 ****
rest=`echo ${1+"$@"} | sed -e 's+/usr/lib/tmac+/usr/local/lib/groff/tmac+'`
# This shell script is intended for use with man, so warnings are
# probably not wanted. Also load nroff-style character definitions.
! exec groff -Wall -mtty-char $T $opts $rest
--- 52,56 ----
rest=`echo ${1+"$@"} | sed -e 's+/usr/lib/tmac+/usr/local/lib/groff/tmac+'`
# This shell script is intended for use with man, so warnings are
! # probably not wanted.
! exec groff -Wall $T $opts $rest
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