Github user PascalSchumacher commented on the issue:
https://github.com/apache/commons-lang/pull/184
@phoenix384 The problem is that starting with 3.4
StringUtils#normalizeSpace no longer normalizes unicode non-breaking spaces. I
reported this as a bug and argued for reverting this behavior, but other people
disagreed. :(
For details see:
https://github.com/apache/commons-lang/pull/113
https://issues.apache.org/jira/browse/LANG-1184
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