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ICU-7264 do not add U+FFFE, new merge-sort character with 02 weights, into invuca so that tailoring primary-after an ignorable works

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X-SVN-Rev: 28820
This commit is contained in:
Markus Scherer 2010-10-13 22:20:26 +00:00
parent 88ea664c7e
commit 9d45127908
1 changed files with 9 additions and 1 deletions
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10
tools/unicode/c/genuca/genuca.cpp
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@ -1000,7 +1000,15 @@ write_uca_table(const char *filename,
/* we're first adding to inverse, because addAnElement will reverse the order */
/* of code points and stuff... we don't want that to happen */
addToInverse(element, status);
if((element->CEs[0] >> 24) != 2) {
// Add every element except for the special minimum-weight character U+FFFE
// which has 02 weights.
// If we had 02 weights in the invuca table, then tailoring primary
// after an ignorable would try to put a weight before 02 which is not valid.
// We could fix this in a complicated way in the from-rule-string builder,
// but omitting this special element from invuca is simple and effective.
addToInverse(element, status);
}
if(!(element->cSize > 1 && element->cPoints[0] == 0xFDD0)) {
uprv_uca_addAnElement(t, element, status);
}