Chocobo1 5b3b56c918 Improve natural sort algorithm ...

1. Use proper case folding function instead of `toLower()`.
2. Use locale aware comparison instead of comparing unicode code points.
   Now `a` comes before `A` which is the same as the result from QCollator. A nice side effect
   is now it properly compares locale specific characters (for example `C`, `Č`).
3. Improve testing. Now the test is runnable and stable on all platforms.

PR  #20208.

2024-01-08 14:47:00 +08:00

7.1 KiB

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