Z 3 z 5 hwěžkow pohódnoćeny

wot mi_ve dnja Apryl 24, 2009 · trajny wotkaz

Here is a different extension that changes the reply quote format:
http://nic-nac-project.de/~kaosmos/changequote-en.html

It suits my needs better. One bad point of that one though: you can't customise the date format as detailed as in the current extension.