Re: questions with combining characters [was: Unicode: endpoint of evolution of encodings?]

[Thomas Wolff <towo@xxxxxxxx>]

Henry Spencer wrote:
> On Wed, 17 Nov 2004, Egmont Koblinger wrote:
> > What is backspace supposed to do with NFD unicode streams? Should it delete
> > one unicode entity (that is only the accent from the top of a letter) or a
> > complete combined character?
> 
> If combining accents are sent as they are typed, it would clearly be
> useful to provide both, presumably specified by different keyboard
> sequences.  If the complete character is sent only after the keyboard
> handler is satisfied (somehow) that it *is* complete, then backspace ought
> to delete the whole thing.
My editor mined (http://towo.net/mined/) deletes the previous character 
on Backspace, and deletes the last combining character (accent) on the 
previous character with Control-Backspace (provided this is configured 
to send a recognisible escape sequence).

I think "Control" is a very intuitive modifier to perform some 
sort of "controlled" variation of a keyboard function.

Thomas

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