Running on Windows, I found that I could not delete an edn file that I had 
read from.  I've looked at a few examples of reading edn, and none of them 
seem to suggest that the user code should explicitly call close() on the 
Java object, or that it needs to use with-open.  Should I be doing 
something like that?

I wonder why Clojure doesn't call close when it hits EOF:

https://github.com/clojure/clojure/blob/c6756a8bab137128c8119add29a25b0a88509900/src/jvm/clojure/lang/EdnReader.java#L134

Maybe it shouldn't be necessary, but it seems safe to me:

https://docs.oracle.com/javase/7/docs/api/java/io/PushbackReader.html#close()

I've mostly worked on a Mac, where I haven't had trouble.  This only 
happened to me on Windows, and only once (so far).  I haven't tried to 
reproduce it.  It is certainly possible I did something else wrong to cause 
the file to get into an undeletable state.  Still, it does seem to me it 
would be safe to have the Clojure Java source code call close(), unless I'm 
missing something.

Thanks,
John

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