[bug #46470] Global out of bounds read in troff in function make_glyph_node

[G. Branden Robinson]

Update of bug #46470 (project groff):

                Severity:              3 - Normal => 2 - Minor              
              Item Group:     Incorrect behaviour => Lint                   

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Follow-up Comment #3:

It sounds like this non-default compiler warning does not indicate the
presence of incorrect program operation.

Updating Item Group and Severity accordingly.

The formatter _does_ complain.


$ printf '\\(' | ./build/test-groff -Tutf8 | cat -s
troff: error: end of input in escape sequence
troff: warning: can't find special character ''



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