[UNSOLVED]QPlainTextEdit / QTextEdit performance issues using set or append methods

[MW]

We can see that author wrote...

No, you can see. Nobody else can. Why didn't you link it?

Have you tried text modification using QTextCursor?

You are more than right, but topic is very short - this explains my attitude
http://www.qtcentre.org/threads/3926...ce-in-Qt-4-7-0
Regarding QTextCursor - I didn't try it - will do it in a couple of minutes.