[bug #64438] [ms] validation of `PS` macro arguments too strict

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?64438>

                 Summary: [ms] validation of `PS` macro arguments too strict
                   Group: GNU roff
               Submitter: gbranden
               Submitted: Mon 17 Jul 2023 10:55:57 PM UTC
                Category: Macro ms
                Severity: 4 - Important
              Item Group: Incorrect behaviour
                  Status: None
                 Privacy: Public
             Assigned to: gbranden
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


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Follow-up Comments:


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Date: Mon 17 Jul 2023 10:55:57 PM UTC By: G. Branden Robinson <gbranden>
groff 1.23.0 regressed valid pic(1)-using documents that groff 1.22.4 accepted
without complaint.

[https://lists.gnu.org/archive/html/groff/2023-07/msg00114.html Reported by
Doug McIlroy to the groff list] and
[https://lists.gnu.org/archive/html/groff/2023-07/msg00116.html
root-cause-analyzed by Dave Kemper].

[https://lists.gnu.org/archive/html/groff/2023-07/msg00117.html A workaround
hack that disables the diagnostic (and restores interpretation of the `PS`
call) is also available on the list.]







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