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http://www.openoffice.org/issues/show_bug.cgi?id=42661
User james_clark changed the following:
What |Old value |New value
================================================================================
CC|'arthit,hin,james_clark,nu|'arthit,ft,hin,james_clark
|sorn' |,nusorn'
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Assigned to|james_clark |fme
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------- Additional comments from [EMAIL PROTECTED] Thu Sep 15 10:41:23 -0700
2005 -------
After some discussions, we reached the conclusion that making sequence
correction very clever (as in MSO) was actually a misfeature, because it made it
hard for users to understand and predict behaviour.
I'll specify this in terms of WTT character classes, but it is convenient to
have a few extra classes:
<abv> = <av1>|<av2>|<av3>|<bv1>|<bv2>
<abv1> = <av1>|<bv1>
<thanthakhat> = 0E4C (karan)
Then we have 8 rules:
<cons> <abv>_x + <abv>_y => <cons> <abv>_y (replace)
<cons> <tone>_x + <tone>_y => <cons> <tone>_y (replace)
<cons> <abv> <tone>_x + <tone>_y => <cons> <abv> <tone>_y (replace)
<cons> <abv>_x <tone> + <abv>_y => <cons> <abv>_y <tone> (replace, reorder)
<cons> <tone> + <abv> => <cons> <abv> <tone> (reorder)
[same as fme's 5 rules so far]
<cons> <fv1> + <tone> => <cons> <tone> <fv1> (reorder)
<cons> <tone>_x <fv1> + <tone>_y => <cons> <tone>_y <fv1> (replace, reorder)
<cons> <thanthakhat> + <abv1> => <cons> <abv1> <thanthakhat> (reorder)
In any other situation, sequence correction behaves the same as sequence
checking.
The ideas behind this choice of rules are:
- take effect only when the character typed is a combining character
- apply only to sequences that both strict and basic WTT 2.0 checking disallow
- allow the combining characters in a cell to be typed in any order
- allow tone marks to be typed after following vowels
- don't provide rules for the 4 combining character combinations for is optional
in WTT 2.0 (eg. sara ii + maitokhu)
- only replace like by like (tone marks by tone marks, vowels by vowels)
There needs to be a UI, adding a checkbox "Type and replace" beneath the current
"Restricted" checkbox. Like the "Restricted" checkbox, the "Type and replace"
checkbox is enabled only if the "Use sequence checking" checkbox is enabled.
"Type and replace" would be enabled by default. (This might be a good
opportunity to fix issue 42967, and change "Restricted" to "Strict".)
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