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Subject [Bug 53554] New: Wrong case for hexadecimal percent encoding [patch]
Date Mon, 16 Jul 2012 23:55:18 GMT

          Priority: P2
            Bug ID: 53554
           Summary: Wrong case for hexadecimal percent encoding [patch]
          Severity: normal
    Classification: Unclassified
                OS: Linux
          Hardware: PC
            Status: NEW
           Version: 2.5-HEAD
         Component: mod_rewrite
           Product: Apache httpd-2

Created attachment 29069
Use uppercase hexadecimal digits in mod_rewrite

Apache mod_rewrite encodes special characters using lowercase hexadecimal
digits, for example Chráněná becomes Chr%c3%a1n%c4%9bn%c3%a1 instead of
Chr%C3%A1n%C4%9Bn%C3%A1. The use of a non-canonical URL breaks our caching
system. We can't use lowercase hexadecimal digits as our canonical URLs because
no browser sends URLs like that, so the cache would be even more badly broken.
Please use uppercase hexadecimal digits in URLs.

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