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Compiling with GCC 10.2 with -fsanitize=address,undefined valgrind
and opening the 'option panel' reports:
table.c:1632:8: runtime error: variable length array bound evaluates to non-positive value 0
table.c:1266:11: runtime error: variable length array bound evaluates to non-positive value 0
table.c:1267:12: runtime error: variable length array bound evaluates to non-positive value 0
'maxcell' is initialized to -1 which results in a size of 0 during the
first iteration. Though the array is only accessed if maxcell >= 0,
using a variable length array with a size < 1 is undefined behaviour
(see e.g. C99 6.7.5.2,p5).
This closes issue #51 .