Just wondering if anyone is still developing SED editor. I have tried CSED but it doesn't have the 4 way window splitting feature that I use all the time in SED editor.
I don't. It is not High DPI aware and doesn't work well when using Windows 7 and high resolution monitor with a DPI setting <> 96.
The source code to CSED is available on this forum, if you really want such a feature you could try coding it yourself. On the PowerBasic support forums there is some example code demonstrating window splitting using Scintilla: http://www.powerbasic.com/support/pbforums/showthread.php?t=44833