🚀 go-pugleaf

There is a 'lurker' in the terminfo supplied with vanilla System V.2
which exhibits itself by causing a process using the keypad code in
terminfo to occasionally core dump mysteriously. On editing in some
debug information, it stops core dumping.

This is due to a bad condition on a 'for' loop at line 111 (or
thereabouts).  The condition reads.

		for(i=0; SP->kp[i].keynum >= 0; i++)

which causes it to whiz off through memory looking for a key which is
numbered negatively, whereas the code marks the entry after the last
key in the array as 0.

The (obvious) cure is therefore

		for(i=0; SP->kp[i].keynum > 0; i++)


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