https://bz.apache.org/bugzilla/show_bug.cgi?id=57836

--- Comment #5 from Christopher Schultz <ch...@christopherschultz.net> ---
As I am unfamiliar with ISAPI, I was thinking that we'd just check for strlen=0
and replace "" with NULL and be done with it.

I think that's exactly what your patch does. Mark didn't like it because it
requires what he describes as NULL -> "" -> NULL which he's right is silly. But
it looks like it's ISAPI that is silly and there's nothing we can do about it.

I think the question is whether or not GET_SERVER_VARIABLE_VALUE will behave
this way for most CGI variables and if it should ALWAYS convert "" to NULL, or
if this is just some special case.

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