On 05/08/2003 14:40, Mark Davis wrote:
Where did you get the notion that space is not a base character? And
base characters include those that are not control or format
characters. Space is neither one.
The standard specifically states in a number of places that to exhibit
a combining mark in isolation you use a space (or NBSP).
Mark
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I got this from the Unicode Standard 4.0, as quoted by Jim Allan:
In http://www.unicode.org/book/preview/ch03.pdf the space characters
in general are given class Zs:
<< Zs, Zl, and Zp are considered format characters, but their
membership in the Z (separator) class takes precedence over their
membership in the Cf class, because the General Category assigns only
a single value to each character. >>
So the various space characters (class Zs) are also classified as
format characters.
From http://www.unicode.org/book/ch04.pdf:
<< _D13 Base character:_ a character that does not graphically
combine with preceding character, and that is neither control nor a
format character. >>
Accordingly, by definition, spaces are not base characters.
--
Peter Kirk
[EMAIL PROTECTED]
http://web.onetel.net.uk/~peterkirk/
