URL: <https://savannah.gnu.org/bugs/?68395>
Summary: [troff] assertion failure in `define_character()`
when `fschar` missing arguments after the first
Group: GNU roff
Submitter: gbranden
Submitted: Mon 25 May 2026 03:10:09 AM UTC
Category: Core
Severity: 4 - Important
Item Group: Crash/Unresponsive
Status: In Progress
Privacy: Public
Assigned to: gbranden
Open/Closed: Open
Discussion Lock: Unlocked
Planned Release: None
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Follow-up Comments:
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Date: Mon 25 May 2026 03:10:09 AM UTC By: G. Branden Robinson <gbranden>
$ groff --version | head -n 1
GNU groff version 1.24.1
$ echo '.fschar S' | groff
troff: ../src/roff/troff/input.cpp:5116: void define_character(char_mode,
const char*): Assertion `0 == "attempted to use token without charinfo in
character" " definition request"' failed.
groff: error: troff: Aborted (core dumped)
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