RFR: 8313693: Introduce an internal utility for the Damerau–Levenshtein distance calculation [v2]

[Pavel Rappo]

On Fri, 4 Aug 2023 17:19:40 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Pavel Rappo has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Feedback
>
> test/langtools/tools/javac/util/StringUtilsTest.java line 125:
> 
>> 123:     void assertTrue(boolean cond) {
>> 124:         if (!cond) {
>> 125:             throw new IllegalStateException();
> 
> Mildly surprising to see `IllegalStateException` in `assert...` methods.

I simply followed the style of the file.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15157#discussion_r1284730704