Update korean.xml
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I updated Korean xml
Updated XML Content Layouts, and optimized.
https://github.com/CNBLACK/notepad-plus-plus/commit/e07e13d28b77d65676c23a9c84da6faac2906f17
 
I updated Korean xml
Updated XML Content Layouts, and optimized.
https://github.com/CNBLACK/notepad-plus-plus/commit/e07e13d28b77d65676c23a9c84da6faac2906f17