#25 Jskad IM: Wylie has one key for both Wasur and wa

[David L. Chandler]

The extended Wylie keyboard uses the key 'w' for both
wasur, the little subscript (as in 'zhwa'), and 'wa',
the 20th consonant. This means that we cannot
represent the ACIP keyboard properly, which requires W
for 'wa' and V for wasur.

I tried hacking up tibwn.ini in a couple of different
ways with no success.

[David L. Chandler]

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Today I noticed that my fix for K'A, K'U, and A'A broke 'A,
which is supposed to produce Wylie's 'a.

The problem is vice versa of the above: Wylie has two keys,
A and ', for a and achen, while ACIP has but one key.

[David L. Chandler]

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Dropping priority because Jskad's current keyboard mechanism
can never support ACIP because ACIP {GDE} should give the
glyphs that {GADE} do and {GKE} should give the glyphs that
{G+KE} does (none in TMW). This means that a whole tsheg
bar needs to be read in before the final output is known;
the current keyboard mechanism doesn't allow for that.
Using the ACIP->TMW converter's subroutines to implement an
ACIP keyboard would likely be easier than extending the
current mechanism.

[David L. Chandler]

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For easy browsing of error messages, I changed the prefix to
'Jskad IM', where IM means input method.