Update Index.xyl

Corrections d'orthographes
Format code. #mania
[auto] Merge from String

    • #4922267 — Update Index.xyl (Mathias STRASSER, 2013-08-28)
    • #07ba3e0 — Format code. #mania (Ivan Enderlin, 2013-08-29)

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Merge remote branch 'library-string/master'