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Bug#1314: ncurses fails in silly way on TERM=dumb

This may still be a documentation bug, but here's how to perform the test:

To test if a terminal has cursor addressing:
	char * s;
	if ( (s = tigetstr("cup")) != 0 && *s != 0 )
		/* Terminal has cursor addressing */

This is usually sufficient to weed out the dumb terminals and hardcopy
devices. If your program depends on standout, you can add a similar test
for that capability.



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