Patrick O'Callaghan wrote:
I did say that things written in the last 2 decades use the standards
that mostly started with IBM's 1987 CUA (common user interface) work.
Emacs and vi predate that and don't follow any standards.
Well I've been using Unix since 1975 and never even heard of this (or
have long forgotten it, who knows?). It would be interesting to have a
straw poll on this list to see how many people know what it is. Does the
GNU documentation make any reference to it?
I've just had a look at the Wikipedia article
(http://en.wikipedia.org/wiki/Common_User_Access), where we find the
following gem:
"CUA has never had significant impact on Unix terminal
applications."
Unix 'terminal' applications were mostly written before there was a
standard terminal keyboard, much less a standard for using key modifiers
along with cursor motion keys. Before the IBM PC you could barely count
on having a control key, and if you had arrow keys, shift and control
weren't likely to work with them.
But, we aren't talking about terminal applications. GUI applications
have an evolving human interface standard that most things follow to one
extent or another, and most of the current versions inherited their
design from Motif which followed CUA. I spend about equal amounts of
time in windows/linux/mac apps and they mostly use the same
motion/selection methods. I think these days you'd learn them in early
grade school or in a 'keyboarding' class required before high school.
--
Les Mikesell
lesmikesell@xxxxxxxxx
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