[bug #63727] contrib/gdiffmk/tests/gdiffmk_tests.sh test fails with diffutils-3.9 (was ok with 3.8)

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?63727>

                 Summary: contrib/gdiffmk/tests/gdiffmk_tests.sh test fails
with diffutils-3.9 (was ok with 3.8)
                 Project: GNU troff
               Submitter: None
               Submitted: Sun 29 Jan 2023 07:44:37 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None


    _______________________________________________________

Follow-up Comments:


-------------------------------------------------------
Date: Sun 29 Jan 2023 07:44:37 PM UTC By: Anonymous
I tried to update diffutils to 3.9 in nixpkgs (
https://github.com/NixOS/nixpkgs/pull/213421) and discovered a regression in
`groff-1.22.4` (and `groff` from `master` branch) where test fails.

diffutls-3.8 seems to pass the test successfully. 3.9 release announcement:
https://savannah.gnu.org/forum/forum.php?forum_id=10282

Here is a test snippet:


groff> .. contents:: :depth: 2
groff> FAIL: contrib/gdiffmk/tests/gdiffmk_tests.sh
groff> ============================================
groff> result.1 TEST FAILED
groff> 5c5
groff> < .mc |
groff> ---
groff> > file1 only
groff> 8d7
groff> < .mc
groff> 10d8
groff> < .mc +
groff> 12d9
groff> < .mc
groff> 14,15c11,12
groff> < .mc *
groff> < .mc
groff> ---
groff> > file1 only
groff> > file1 only
groff> result.2 TEST FAILED
groff> 5c5
groff> < .mc |
groff> ---
groff> > file1 only
groff> 8d7
groff> < .mc
groff> 10d8
groff> < .mc +
groff> 12d9
groff> < .mc
groff> 14,15c11,12
groff> < .mc *
groff> < .mc
groff> ---
groff> > file1 only
groff> > file1 only
groff> result.3 TEST FAILED
groff> 5c5
groff> < .mc |
groff> ---
groff> > file1 only
groff> 8d7
groff> < .mc
groff> 10d8
groff> < .mc +
groff> 12d9
groff> < .mc
groff> 14,15c11,12
groff> < .mc *
groff> < .mc
groff> ---
groff> > file1 only
groff> > file1 only
groff> result.4 TEST FAILED
groff> 5c5
groff> < .mc |
groff> ---
groff> > file1 only
groff> 8d7
groff> < .mc
groff> 10d8
groff> < .mc +
groff> 12d9
groff> < .mc
groff> 14,15c11,12
groff> < .mc *
groff> < .mc
groff> ---
groff> > file1 only
groff> > file1 only
groff> result.5 TEST FAILED
groff> 5c5
groff> < .mc |
groff> ---
groff> > file1 only
groff> 8d7
groff> < .mc
groff> 10d8
groff> < .mc +
groff> 12d9
groff> < .mc
groff> 14,15c11,12
groff> < .mc *
groff> < .mc
groff> ---
groff> > file1 only
groff> > file1 only
groff> result.6 TEST FAILED
groff> 5c5
groff> < .mc C
groff> ---
groff> > file1 only
groff> 8d7
groff> < .mc
groff> 10d8
groff> < .mc A
groff> 12d9
groff> < .mc
groff> 14,15c11,12
groff> < .mc D
groff> < .mc
groff> ---
groff> > file1 only
groff> > file1 only
groff> result.6a TEST FAILED
groff> 5c5
groff> < .mc C
groff> ---
groff> > file1 only
groff> 8d7
groff> < .mc
groff> 10d8
groff> < .mc A
groff> 12d9
groff> < .mc
groff> 14,15c11,12
groff> < .mc D
groff> < .mc
groff> ---
groff> > file1 only
groff> > file1 only
groff> result.7 PASSED
groff> result.8 TEST FAILED
groff> 5d4
groff> < [[
groff> 7,9d5
groff> < ]]
groff> < .br
groff> < .mc |
groff> 12d7
groff> < .mc
groff> 14d8
groff> < .mc +
groff> 16d9
groff> < .mc
groff> 18d10
groff> < [[
groff> 21,24d12
groff> < ]]
groff> < .br
groff> < .mc *
groff> < .mc
groff> result.9 TEST FAILED
groff> 5d4
groff> < <<<<
groff> 7,9d5
groff> < >>>>
groff> < .br
groff> < .mc |
groff> 12d7
groff> < .mc
groff> 14d8
groff> < .mc +
groff> 16d9
groff> < .mc
groff> 18d10
groff> < <<<<
groff> 21,24d12
groff> < >>>>
groff> < .br
groff> < .mc *
groff> < .mc
groff> result.9a TEST FAILED
groff> 5d4
groff> < <<<<
groff> 7,9d5
groff> < >>>>
groff> < .br
groff> < .mc |
groff> 12d7
groff> < .mc
groff> 14d8
groff> < .mc +
groff> 16d9
groff> < .mc
groff> 18d10
groff> < <<<<
groff> 21,24d12
groff> < >>>>
groff> < .br
groff> < .mc *
groff> < .mc
groff> result.10 TEST FAILED
groff> 5d4
groff> < [[
groff> 7,9d5
groff> < ]]
groff> < .
groff> < .mc |
groff> 12d7
groff> < .mc
groff> 14d8
groff> < .mc +
groff> 16d9
groff> < .mc
groff> 18d10
groff> < [[
groff> 21,24d12
groff> < ]]
groff> < .
groff> < .mc *
groff> < .mc
groff> failure_count 11
groff> FAIL contrib/gdiffmk/tests/gdiffmk_tests.sh (exit status: 1)










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