> 
> We need a public register of handle signatures.

Its likely just you and me, and actually I don't think I will be doing 
any more such plugins!  But we can post a list here or I can include 
in help.  Also, the registration ppsv service will fail if you re-
register a signature with a different callback address.

>  
> > > See the vec plugin for how it is implemented.
> 
> Okay.  I think I have copy in e.g. binary and unicode, but will 
revisit.
>

Source is included.  Service is called localdestroy (although as I 
said it was wrong to make this a service -- it should have been just a 
internally static callback).  Now that I look at it localcopy source, 
I am wondering why I still validate the handle -- I thought I had 
taken that out in case someone writes:

local v
v=vec.create(...)
...
vec.destroy(v)
quit

At quit, localdestroy will be called for invalid vector.  I seem to 
have commented out the wrong line in the vec source, I will recheck.








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