vi `ei:' (`modeline')

[Bruce A. Kern]

>In article <13215 at hqda-ai.ARPA> jay at hqda-ai.ARPA (Jay Hiser) writes:
>>... but SysV vi has an interesting bug/feature that can cause a problem.
>>
	[description of modeline follows...]
>
>Now, the code that checks for `mode lines' is rather sloppy.  Not only
>does it match on `ex' and `vi', it also matches on `ei' and `vx'.  And
>in 4.2BSD (and perhaps some SysV releases---no telling which ones since
>the release numbering is so bizarre) you cannot turn it off!  More modern
>Domain:	chris at mimsy.umd.edu	Path:	uunet!mimsy!chris

Just a note to report that the entire feature seems to be absent in
the Microport V/AT 2.3-U version of vi.  Executing

:set all

inside vi reports nothing about a [no]modeline option and editing the
following file:

0
ex:% s/0/abc/
1
2
3
4
ex:% s/0/abc/

produces nothing interesting.


-- 
Bruce A. Kern                                  1-203-270-0399 
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