Hello!

On Wed, Aug 08, 2012 at 01:12:46PM -0400, jimishjoban wrote:

> It seems only the first %3F gets un-encoded. Remaining %3F remains as it
> is... Could it be a bug?

More or less yes, it's weird historic behaviour which should be
eventually fixed (and we even have several TODO test cases
for this, see http://mdounin.ru/hg/nginx-tests/file/tip/rewrite_unescape.t).

For now I would recommend using

return 301 $uri;

which doesn't try to do any unescaping.

Maxim Dounin

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