This plugin recognize if the message you wrote is in RTL language or not, and if so it sends the message with Right-Left Mark - either in private messages and channels.

Even though this plugin was firstly written for Hebrew, it does support Arabic, Persian, Urdu etc.

How to install:
1. Use the command "bzr branch lp:rtlplo0x" to download the latest code.
2. now use mv rtlplo0x/RTLplo0x.py ~/.xchat2/ to move the script to Xchat directory.
3. restart Xchat.

Good Luck - hope you enjoy the script! :)