Peter Kirk scripsit:

> Using NBSP rather than SPACE has several advantages, and has long been 
> specified in Unicode, although not widely implemented. It is less likely 
> to occur accidentally. But it has disadvantages, especially that it will 
> always be a spacing character, whereas for display of isolated Indic 
> vowels no extra spacing is required.

You don't actually say so, but you give me the impression that you think
NBSP is a fixed-width space.  It isn't; it can assume any width greater
than zero, just as SPACE can; in particular, when used before a NSM, I
would expect it to have the same width as the NSM.

> I would like to repeat my earlier proposal for a new character ISOLATED 
> COMBINING MARK BASE. This character would have no glyph, and the general 
> properties of a letter. Its spacing would be just as much as required 
> for proper display of the combining mark - which would be zero for 
> combining marks which have their own width.

Except for not being letters, SP and NBSP have, or ought to have,
exactly this behavior.

-- 
"Well, I'm back."  --Sam        John Cowan <[EMAIL PROTECTED]>

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