https://issues.dlang.org/show_bug.cgi?id=22302

          Issue ID: 22302
           Summary: std.algorithm.skipOver performs unnecessary UTF
                    decoding
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: dlang-bugzilla@thecybershadow.net

When invoked with two strings, it has no reason to decode.

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