Re: [Groff] parallel text processing ; vertical and horizontal mode

[Mike Bianchi]

On Thu, Sep 07, 2017 at 09:45:47AM +0100, Ralph Corderoy wrote:
> Hi Erich,
> 
> > Of course it would be a hypertrophy changeing the distances each and
> > every page...no, the idea is to have two parts of text on each page.

I don't have the groff chops to address this in general,
but I will point at the

        .2C
        .1C
        .NCOL

macros within the  mm  macro set;  

        groff_mm(1)
        /usr/share/groff/1.22.2/tmac/m.tmac


This hand-made test does most of the work automatically.
See the comments.

=       =       =       =       =       =       =       =       =       =
mm_2C_test

\#  ragged right formatting
.na
.
\#  start 2 column format
.2C     
.
sladfklkj sd sdfjk ljksdfa jklsdfa jklsdfa lsdf l ljksdfa lkjsdfa lkjsdf lk
.sp
sladfklkj sd sdfjk ljksdfa jklsdfa jklsdfa lsdf l ljksdfa lkjsdfa lkjsdf lk
.
\#  force formatting to the next column
.NCOL
.
SLADFKLKJ SD SDFJK LJKSDFA JKLSDFA JKLSDFA LSDF L LJKSDFA LKJSDFA LKJSDF LK
SLADFKLKJ SD SDFJK LJKSDFA JKLSDFA JKLSDFA LSDF L LJKSDFA LKJSDFA LKJSDF LK
.sp
SLADFKLKJ SD SDFJK LJKSDFA JKLSDFA JKLSDFA LSDF L LJKSDFA LKJSDFA LKJSDF LK
.br
.
\#  return to 1 column format     1 == no page break
.1C  1
.
\#  determined by experimentation
.sp 4
.
\#      line of # characters
\l'\n[.l]u#\c
.sp 1
.
.sp
.
\#  start 2 column format
.2C
.
ouiqwe owerq oerw oiuerwqoi oiuerwqo iuerwq oo erwq oerwq owerq oerwq oiu
ouiqwe owerq oerw oiuerwqoi oiuerwqo iuerwq oo erwq oerwq owerq oerwq oiu
.sp
ouiqwe owerq oerw oiuerwqoi oiuerwqo iuerwq oo erwq oerwq owerq oerwq oiu
.br
.
\#  force formatting to the next column
.NCOL
.
IUERWQ OO ERWQ OERWQ OWERQ OERWQ OIU OUIQWE OWERQ OERW OIUERWQOI OIUERWQO
.sp
IUERWQ OO ERWQ OERWQ OWERQ OERWQ OIU OUIQWE OWERQ OERW OIUERWQOI OIUERWQO
IUERWQ OO ERWQ OERWQ OWERQ OERWQ OIU OUIQWE OWERQ OERW OIUERWQOI OIUERWQO
.
\#  determined by experimentation
.br
.
\#  return to 1 column format     1 == no page break
.1C  1
.
\#  determined by experimentation
.sp 1
.
\#      line of # characters
\l'\n[.l]u#\c
.sp
.
.sp
1324 098438099438  0984 089431 09843 08943 089 09814 08943 098431 0894132 0
1324 098438099438  0984 089431 09843 08943 089 09814 08943 098431 0894132 0
1324 098438099438  0984 089431 09843 08943 089 09814 08943 098431 0894132 0
1324 098438099438  0984 089431 09843 08943 089 09814 08943 098431 0894132 0
1324 098438099438  0984 089431 09843 08943 089 09814 08943 098431 0894132 0
1324 098438099438  0984 089431 09843 08943 089 09814 08943 098431 0894132 0
=       =       =       =       =       =       =       =       =       =



   nroff  -mm  mm_2C_test

                                   ‐ 1 ‐



       sladfklkj sd sdfjk ljksdfa      SLADFKLKJ SD SDFJK LJKSDFA
       jklsdfa jklsdfa lsdf l          JKLSDFA JKLSDFA LSDF L
       ljksdfa lkjsdfa lkjsdf lk       LJKSDFA LKJSDFA LKJSDF LK
                                       SLADFKLKJ SD SDFJK LJKSDFA
       sladfklkj sd sdfjk ljksdfa      JKLSDFA JKLSDFA LSDF L
       jklsdfa jklsdfa lsdf l          LJKSDFA LKJSDFA LKJSDF LK
       ljksdfa lkjsdfa lkjsdf lk
                                       SLADFKLKJ SD SDFJK LJKSDFA
                                       JKLSDFA JKLSDFA LSDF L
                                       LJKSDFA LKJSDFA LKJSDF LK

       ############################################################


       ouiqwe owerq oerw oiuerwqoi     IUERWQ OO ERWQ OERWQ OWERQ
       oiuerwqo iuerwq oo erwq         OERWQ OIU OUIQWE OWERQ OERW
       oerwq owerq oerwq oiu ouiqwe    OIUERWQOI OIUERWQO
       owerq oerw oiuerwqoi
       oiuerwqo iuerwq oo erwq         IUERWQ OO ERWQ OERWQ OWERQ
       oerwq owerq oerwq oiu           OERWQ OIU OUIQWE OWERQ OERW
                                       OIUERWQOI OIUERWQO IUERWQ OO
       ouiqwe owerq oerw oiuerwqoi     ERWQ OERWQ OWERQ OERWQ OIU
       oiuerwqo iuerwq oo erwq         OUIQWE OWERQ OERW OIUERWQOI
       oerwq owerq oerwq oiu           OIUERWQO

       ############################################################


       1324 098438099438  0984 089431 09843 08943 089 09814 08943
       098431 0894132 0 1324 098438099438  0984 089431 09843 08943
       089 09814 08943 098431 0894132 0 1324 098438099438  0984
       089431 09843 08943 089 09814 08943 098431 0894132 0 1324
       098438099438  0984 089431 09843 08943 089 09814 08943 098431
       0894132 0 1324 098438099438  0984 089431 09843 08943 089
       09814 08943 098431 0894132 0 1324 098438099438  0984 089431
       09843 08943 089 09814 08943 098431 0894132 0

=       =       =       =       =       =       =       =       =       =

-- 
 Mike Bianchi
 Foveal Systems

 973 822-2085

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 http://www.AutoAuditorium.com
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