Update of bug #61417 (project groff):
Status: In Progress => Fixed
Open/Closed: Open => Closed
Planned Release: None => 1.23.0
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Follow-up Comment #2:
commit 2944e475dc087465126dfc32cfaaf3f803d0e0c0
Author: G. Branden Robinson <[email protected]>
Date: Thu Nov 4 05:26:40 2021 +1100
[tbl]: Fix Savannah #61417.
* src/preproc/tbl/table.cpp (table::add_entry): If we see a '\^' entry
on the first row of a table, it's invalid, but we need to create an
empty entry in its place. Otherwise, someone can put another '\^'
right below the one on the first row, creating a reference to a
nonexistent table entry and provoking a SEGV. Issue an error
diagnostic (distinct from the one in `do_vspan()`), create the entry,
and skip `do_vspan()` (given a '^' in a first-row definition, it
issues an error diagnostic and returns early, which suffices).
Problem appears to date back to groff 1.02 (June 1991) at the latest.
Fixes <https://savannah.gnu.org/bugs/?61417>.
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