Description:
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---
From manual page: http://www.php.net/function.mb-internal-encoding#refsect1-
function.mb-internal-encoding-parameters
---

"encoding is the character encoding name used for the HTTP input character 
encoding conversion, HTTP output character encoding conversion, and the default 
character encoding for string functions defined by the mbstring module. You should 
notice that the internal enconding is totally different from the one for multibyte 
regex."

That last ``enconding'' should be ``encoding''

Test script:
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Expected result:
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Actual result:
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