The problem is caused by following: if user highlighter is marked as case insensitive, all keywords are loaded as uppercase to speed up highlighting.
I must rewrite user highlighter or do another gathering of keywords from user highlighter. I will look what will be easier and faster. Speed of highlighting must be kept. -- <https://forum.pspad.com/read.php?2,72063,72078> PSPad freeware editor https://www.pspad.com
