OpenBSD/src WiSqtR1regress/bin/ksh/edit emacs.sh subr.sh

   Add tests for emacs editing mode in ksh. While here, improve the output on test
   failure.
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1.10+235-1regress/bin/ksh/edit/emacs.sh
1.8+10-11regress/bin/ksh/edit/subr.sh
+245-122 files

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