costin commented on code in PR #16355:
URL: https://github.com/apache/lucene/pull/16355#discussion_r3529212809
##########
lucene/core/src/java/org/apache/lucene/analysis/CharacterUtils.java:
##########
@@ -53,10 +53,19 @@ public static CharacterBuffer newCharacterBuffer(final int
bufferSize) {
public static void toLowerCase(final char[] buffer, final int offset, final
int limit) {
assert buffer.length >= limit;
assert 0 <= offset && offset <= buffer.length;
- for (int i = offset; i < limit; ) {
- i +=
- Character.toChars(
- Character.toLowerCase(Character.codePointAt(buffer, i, limit)),
buffer, i);
+ for (int i = offset; i < limit; i++) {
+ char c = buffer[i];
+ if (c > 127) { // non-ASCII: switch to full Unicode path from here onward
+ for (int j = i; j < limit; ) {
Review Comment:
Fixed, missed that.
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