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Robert Brown writes: > Hi again. I was noticing that there are two functions in gh.h: > > void gh_set_ext_data(SCM, void*) > void gh_get_ext_data(SCM) > > These look like the same concept as "properties", only specifically > for pointers. They are commented out. Do you know if this means > that they will be implemented in the future? I think they would be a > lot easier to use than "properties" due to having to make a new smob > just for this one pointer. i don't know what the status of those funcs are. my suspicion is that they are to be removed. making smobs isn't that difficult. there's a tutorial on the Net somewhere... thi