Fix Issue #264: Handle a few dot segment normalization corner cases better #267
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See Issue #264
There are a few normalization steps that URI parsers may perform,
one is dot segment normalization and another is percent encoding
normalization.
The spec isn't clear on what order you should apply them, but in
practice browsers seem to normalize percent encoding, then remove
dot segments.
That means that
/foo/%2E%2E/bar
==/bar
Also,
/foo/..bar
should not have the dot segment removed.