Comment 19 for bug 1225327

repeated the test with libedit-20130712-3.1 and it fails. so:

20100424: works
20120601: fails
20130712: fails

I'd be taking a pretty close look at this change, which was just before the 20120601 release:L

http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libedit/tty.c?rev=1.42&content-type=text/x-cvsweb-markup&sortby=date

save and restore the tty settings on entry and exit respectively.
cleanup debugging printfs