==== vi ====
sh /home/src/regress/bin/ksh/edit/vi.sh /home/src/regress/bin/ksh/edit /bin/ksh
input:
>>>ab\010c<<<
00000000  61 62 08 63                                       |ab.c|
00000004
expected:
>>> # ab\010 \010c<<<
00000000  20 23 20 61 62 08 20 08  63                       | # ab. .c|
00000009
actual:
>>> # <<<
00000000  20 23 20                                          | # |
00000003
*** Error 1 in edit (Makefile:18 'vi')
FAILED