| Summary: | Add dead vowels in keysymdef.h | ||||||
|---|---|---|---|---|---|---|---|
| Product: | xorg | Reporter: | Sayamindu Dasgupta <sayamindu> | ||||
| Component: | Protocol/Core | Assignee: | Xorg Project Team <xorg-team> | ||||
| Status: | RESOLVED FIXED | QA Contact: | Xorg Project Team <xorg-team> | ||||
| Severity: | normal | ||||||
| Priority: | medium | CC: | cloos | ||||
| Version: | git | ||||||
| Hardware: | All | ||||||
| OS: | All | ||||||
| URL: | http://dev.laptop.org/ticket/7474 | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
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Description
Sayamindu Dasgupta
2008-09-04 13:16:16 UTC
That patch (attachment 18679 [details] [review]) cannot go in as is. The new keysyms it defines overlay with existing syms. fe70 through fe7a are already in use. I like the concept — and advocated it in bug 11307 (cf comments 7 and on) — but we need to find a place for them. Since your patch defines 12 dead vowels we’ll need at least a block of 16. Are you aware of the needs for a similar input style for other such scripts? Is there any chance we’ll eventually need more than 16 dead vowels? In the 0xfe00 block it looks like the 0xfe40 and 0xfe80 through 0xfec0 blocks are free. Using 0xfe40 would put the dead vowels right before the other dead keys. But using something like 0xfea0 would allow for more expansion. Can you take a look through UnicodeData and check whether any other dead vowels would be useful for the currently-encoded scripts? A quick check suggests that the CANADIAN SYLLABICS, YI, VAI, LINEAR B, and CYPRIOT syllables as well as the CHEROKEE letters are relevant. Apologies for the delayed response. We may need more than 16 vowels, since there might seems to be variants (http://en.wikipedia.org/wiki/Ge%27ez_alphabet#Labiovelar_letter_variants) which can push up the need for modifiers. 32 should be a safe choice. Regarding other scripts, apart from the scripts you mention, I don't think there are many more. I was wondering about Indic, but those usually have distinct vowel signs which combine with the consonants (and they are already mapped as separate entities in a typical keyboard layout), so I'm not very sure. Dead vowel keysyms added in commit 7d3f5cf8d9a94dcd3fb12137a1643cde8542a96f. |
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