On Mon, 2006-07-24 at 12:27 +0100, Peter B. West wrote:
> Doug noted earlier that the implementation supports 0x200C (ZERO WIDTH
> NON-JOINER) and 0x200D (ZERO WIDTH JOINER). Not supported (along with
> ZWSP) is WORD JOINER 0x2060. I assume this means that neither will ever
> occupy any rendering space.
>
> What's the effect of ZWNJ and ZWJ on ligatures? Will either or both
> prevent the formation of ligatures?
>
> Thanks
> Peter
I've just run some of the same tests I used with ZWSP, on ZWJ. There are
still font dependencies with ZWJ, but not as frequent. Here are results
with a few of the fonts I have on this (OpenSuSE 10.1) system.
ZWJ ZWSP
Adobe Sans MM X! X
Adobe Serif MM X! X
Albany AMT OK XX
Bitstream Vera Serif OK X
Cumberland AMT OK X
Century Schoolbook L Roman X X
Luxi Serif Regular OK X
Nimbus Sans L Regular X X
URW Bookman L Light X X
URW Palladio L Roman X X
Utopia Regular X! X
The "XX" gave extra-wide space for the ZWSP.
The "X!" gave an exclamation mark for ZWJ.
The exclamation mark is interesting. Is there some sort of encoding
problem?
Peter
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