Atheros AR242x 802.11abg Wireless in linux

After reading all the pages on Thinkwiki and number of others how to install Madwifi driver for Atheros AR242x 802.11abg Wireless card on our Lenovo Thinkpad X61 and trying even ndiswrapper I finally stumbled upon the solution. Apparently this particular card has an unsupported chipset. But it can be made to work by following these steps:
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Rxvt and Cannot find terminfo entry for ‘rxvt-unicode’

Great lightweight editor that supports Unicode, but seems to be neglected by Linux distros, since starting e.g. screen (what would really our life be like without it…) raises only:

Cannot find terminfo entry for ‘rxvt-unicode’

Remedy:

$ cat "URxvt*termName: rxvt" ~/.Xdefaults