[bug #57510] not all TTY output controls simultaneously available (nroff needs -P)

[Bjarni Ingi Gislason]

Follow-up Comment #7, bug #57510 (project groff):


[comment #2 comment #2:]
> Proposed patch is attached.
> 
> Comments?
>

 I made two changes to my "test-nroff" in my "groff/build" part of my
local groff repository.

1) Added 'V' to the group of options without an argument

2) Added:

   -P*)
      opts="$opts $1" ;;

  Option 'V' shows how the pipeline looks with the '-P' option,
when "man" is used.

  I can now test the additions without any further changes.

1) test-nroff -P-i <e.g., .../man/nroff.1>

  That changed the colour for italic text from bluish (underlining) to
green (italic),
which I like better based on colour and brightness.

2) ... -P-r ... | more

  showed an error in the line break of some lines.

3) MANROFFOPT='-P-i' man nroff

  Same colour change as in case 1, as my "man" uses "test-nroff".

  To make changes permanent before I compile "groff" again,
I just have to transfer the changes to the "nroff.sh" file
(src/roff/nroff/nroff.sh),
as a new file, "test-nroff.am",
automatically creates "test-nroff" from "nroff.sh".

N.B.
  "test-groff" allows me to make changes to it (and thus "test-nroff)
without touching the installed software.

  For example add a new directory for macro files (build/s-tmac) that
can contain any version of a macro file.
I use is to test (permanently use) stripped macro files.


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