Log Message:
editors/xnedit: Update to 1.6.2

version 1.6.2 (2025-02-07)
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 - added X error handler
 - changed filedialog to always force BOM setting with UTF16/UTF32
   when LE/BE is not specified
 - improved Find Selection when dealing with unicode
 - fixed non-functional numpad separator key on some systems
 - fixed Emulate Tab Spacing range check