Providing an XSL localisation for a language still unsupported

I am working on a DocBook document in Esperanto, and notice that there is not 
yet a localisation for lang="eo" within the XSL stylesheets. How may I create 
a translation? The common/*.xml files advise against direct editing, so I 
assume that I cannot simply copy one of them, change the translations to E-o, 
and then send the finished product to the maintainers.

Christopher Culver

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Christopher Culver - 
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	 and im-classicalgreek: http://im-classgreek.sourceforge.net/