How to contribute CP1251TextConverter ?

As the part of my SmallPOS project I was forced to implement CP1251TextConverter.
Question is: how to contribute it into Pharo and/or Squeak and/or any other dialect?
There are CP1250TextConverter and CP1252TextConverter in standart Pharo, so it looks sound to fill the gap :)

Now it can be found in SmallPOS repository (http://ss3.gemstone.com/ss/SmallPOS.html) in category SmallPOS-Reports-CSV