Re: What is the difference between GNU groff and Mac OS X groff

[Jan Stary]

On Apr 13 06:07:51, address@hidden wrote:
> But my question is how to make the GNU groff the same as the original
> Mac groff. I don't think all of you answer this question.

There is no "original mac groff".
groff is GNU roff, by definition.
Mac just ships with an ancient version of that.


> On 4/12/20, John Gardner <address@hidden> wrote:
> > Use Homebrew <https://brew.sh/> to install the latest version of Groff:
> >
> > $ brew install groff
> >
> >
> > For a full-blown setup:
> >
> > $ brew install groff ghostscript grap less
> > $ brew tap alhadis/troff
> > $ brew install alhadis/troff/man-db dformat
> >
> >
> >
> >> so if you care about up-to-date software, use a different operating
> >> system
> >
> > Hah. If only it were that easy...
> >
> > On Mon, 13 Apr 2020 at 12:43, Bjarni Ingi Gislason <address@hidden>
> > wrote:
> >
> >> On Sun, Apr 12, 2020 at 01:27:54PM -0500, Peng Yu wrote:
> >> >  { echo ".ll 14.2i"; echo ".nr LL 14.2i"; cat
> >> > '/usr/share/man/man1/man.1'; } | tbl | /usr/bin/groff -Wall -mtty-char
> >> > -Tascii -mandoc -c | less -is
> >> >
> >> > When I use the above command (Mac OS X groff), it works fine.
> >> >
> >> >  { echo ".ll 14.2i"; echo ".nr LL 14.2i"; cat
> >> > '/usr/share/man/man1/man.1'; } | tbl | groff -Wall -mtty-char -Tascii
> >> > -mandoc -c | less -is
> >> >
> >> > When I use the above command (GNU groff), I see something like this.
> >> >
> >> > ESC[1m-M  pathESC[0m
> >> >
> >> > What options are needed to make GNU groff behave the same as Mac OS X
> >> > groff? Thanks.
> >> >
> >>
> >> Using on CentOS release 6.10 (Final)
> >>
> >> GNU groff version 1.18.1.4
> >> Copyright (C) 2002 Free Software Foundation, Inc.
> >>
> >> less 436
> >> Copyright (C) 1984-2009 Mark Nudelman
> >>
> >>   show no escapes on my terminal.
> >>
> >>   Maybe you have to add the option -R to "less" to interpret the
> >> escapes.
> >>
> >>   Directing the output to a file could easy the reading (displaying) it
> >> with different commands,
> >>  like an editor, "less -r", "less -R", cat, etc.
> >>
> >> N.B.
> >>
> >>   For the meaning of escapes,
> >>  see for example the man page "console_codes(4)" or
> >>  look for the term "escape"
> >>  in you man database (man -k ...)).
> >>
> >>  For knowing the diference, you have to read the changelog from your
> >> distribution.
> >>
> >> --
> >> Bjarni I. Gislason
> >>
> >>
> >
> 
> 
> -- 
> Regards,
> Peng
> 
>