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From: QQ11@LIVERPOOL.AC.UK
Newsgroups: comp.editors,comp.sys.hp
Subject: vi doubleescape feature
Message-ID: <90333.192627QQ11@LIVERPOOL.AC.UK>
Date: 29 Nov 90 19:26:27 GMT
Organization: University of Liverpool
Lines: 18

This is available with vi under HP-UX 7.0 (and HP-UX 6.5 and before (??)).
When set, 2 consecutive ESCs are required to exit from input mode.
It's very useful when supporting the arrow keys and allows full/proper
cursor movement in input mode.
However a quick check on other systems indicates that this feature is not
widespread. It's not available under SunOS 4.1 , SCO Un*x 3.2
and I assume 4.3 BSD and SVr3. The "User's Guide" for SVr4 makes no
mention (but then it makes no mention of a number of things :-)).

Do any other vi versions have this feature and/or is there a 'catch' ?

Thanks.

Alan Thew  : University of Liverpool Computer Laboratory
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