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 <h...@stare.cz> wrote: > On Apr 13 06:07:51, pengyu...@gmail.com 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 <gardnerjo...@gmail.com> 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 <bjarn...@rhi.hi.is > > > > > 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 > > > > >
