Strange behavior from ex when input is redirected

[Peter da Silva]

>     Terminal must have UP capability to use open/visual mode
> (even thought the only command in the file was "set"), or
>     Unknown terminal type "dumb"

Try execing 'ex' with argv[0]='edit'. Then it won't try to do a 'set open'.
Of course that shouldn't be a problem, because I've used 'ex' on dumb terminals
before...
-- 
	Peter (Made in Australia) da Silva
		UUCP: ...!shell!neuro1!{hyd-ptd,baylor,datafac}!peter
		MCI: PDASILVA; CIS: 70216,1076