[bug #64275] [troff] ignore temporary indentation with `ce` and `rj`

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?64275>

                 Summary: [troff] ignore temporary indentation with `ce` and
`rj`
                   Group: GNU roff
               Submitter: gbranden
               Submitted: Sat 03 Jun 2023 12:18:21 AM UTC
                Category: Core
                Severity: 3 - Normal
              Item Group: Feature change
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


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Follow-up Comments:


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Date: Sat 03 Jun 2023 12:18:21 AM UTC By: G. Branden Robinson <gbranden>
"Should temporary indentation be ignored when centering?"

I raised this question on the mailing list.

https://lists.gnu.org/archive/html/groff/2023-05/msg00079.html

I got one vote of support and no other comments.

One question remains: should we "ignore" a temporary indentation by utterly
disregarding it, or by holding it in abeyance until centering (or
right-aligning) ends?

The former would be less disruptive to existing documents (and easier to
code), so I propose to do that, along with issuing an diagnostic.  I propose
for the diagnostic to be an error, not a warning, in part because we have no
existing warning category that fits this scenario well.    But also because I
have few compunctions about throwing users hard errors when their inputs
demand nonsense.

And this scenario *is* patent nonsense as noted at the link above.







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