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

[John Gardner]

Haha. :-) GNU groff = ggroff?

Peng, you'll need to elaborate as to what you're seeing. I can't reproduce
your problem when I run the commands you gave (which I see you copied from `
ps` output with `man` running in another window…).

It sounds like either a problem with your pager and/or your environment.

On Mon, 13 Apr 2020 at 21:29, Jan Stary <address@hidden> wrote:

> 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
> >
> >
>