[bug #60060] support other printing directions (right to left, top to bottom)

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?60060>

                 Summary: support other printing directions (right to left,
top to bottom)
                 Project: GNU troff
            Submitted by: None
            Submitted on: Mon 15 Feb 2021 12:10:58 AM UTC
                Category: Core
                Severity: 3 - Normal
              Item Group: New feature
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

(This has been discussed before, and even taken into account in design
decisions (e.g., the last comment in bug #59795), but there seems to be no
official feature request yet.)

Groff should support printing in directions other than left to right, such as
for Hebrew (right to left) or traditional Japanese (top to bottom).

Two decades ago, Ted Harding posted some information
(http://lists.gnu.org/archive/html/groff/2000-11/msg00074.html) about *roff
implementations developed by Dan Berry that could do both of these.  This post
discusses techniques that might be suitable for groff as well.  Ralph Corderoy
later posted a link
(http://lists.gnu.org/archive/html/groff/2014-06/msg00096.html) to a
bibliography of Dan's work.




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