this has been in use for a while without issues, seems good
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I see no problem with the docs, they were obviously written by a native English speaker (or maybe Canadian).
Some methods (like efl_wl_global_add) could use a deeper explanation (at the very least, the parameters could be documented). But I guess nobody knows this code anymore.
ummm... this is using efl_* namespace but it is clearly a legacy api.... this imho is not good. the rest i see no major problems with, but... this should be named something other than efl_wl ...