[bug #62366] [tbl] core dumps if repeating character used in text block

[G. Branden Robinson]

URL:
  <https://savannah.gnu.org/bugs/?62366>

                 Summary: [tbl] core dumps if repeating character used in text
block
                 Project: GNU troff
            Submitted by: gbranden
            Submitted on: Mon 25 Apr 2022 06:12:59 PM UTC
                Category: Preprocessor tbl
                Severity: 4 - Important
              Item Group: None
                  Status: Confirmed
                 Privacy: Public
             Assigned to: gbranden
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None

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Details:

tbl tries to catch this situation, but doesn't bail out cleanly enough. 
Affects groff 1.22.4.


$ cat EXPERIMENTS/bad-repeated-character.roff
.TS
L.
T{
\Ra
T}
.TE
$ tbl EXPERIMENTS/bad-repeated-character.roff >/dev/null
tbl:EXPERIMENTS/bad-repeated-character.roff:4: bad repeated character
Segmentation fault (core dumped)






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