maomao905 commented on issue #11976:
URL: https://github.com/apache/lucene/issues/11976#issuecomment-1327957480
Thanks!
> both 1 and 月 should have same offsets as they come from same input
character ㋀
I run your suggested test and it failed. I am not sure this is the bug or
not.
The end offset of character `1` is 2 (expected offset is 3).
```
$ ./gradlew test --tests
org.apache.lucene.analysis.icu.TestICUNormalizer2CharFilter.testDecomposeFromSameInputCharacter
...
org.apache.lucene.analysis.icu.TestICUNormalizer2CharFilter >
testDecomposeFromSameInputCharacter FAILED
java.lang.AssertionError: endOffset 2 term=1 expected:<3> but was:<2>
...
```
> Test/issue should not be named "combining character" as there are no
combining characters involved. "combining character" has a very specific
meaning in unicode and this is not that.
I changed the issue title from "combining character" to "compatibility
character"
`㋀` seems [enclosed CJK letters and
months](https://en.wikipedia.org/wiki/Enclosed_CJK_Letters_and_Months) in
unicode.
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