[oXygen-user] Drag to oXygen Dock icon (OS X) doesn't work

> I'd appreciate some help from Mac users of oXygen.
> 
> Why can I not drag .html files onto the oXygen Dock icon? I can drag 
> .css files to it (possibly only since the 9.1 update), but not .html.

I cannot drag .html files either, but I can drag .xhtml files, so I
suspect that changing things in either the "File Types" or perhaps
the "Document Type Association" panes of the preferences would do the
trick. 

HTH.