[Value] characters [Example] A text ought to have a '•' but instead has a '¥' sign. A German text erroneously uses û, ô, and â instead of the appropriate 'ü', 'ö', and 'ä'. A Japanese text has been garbled and appears with Devanagari characters. [Scope] S or T [Notes] Characters ought to be used in cases of garbling or systematic use of inappropriate characters, not for spelling issues where individual characters are replaced with incorrect one. [Description] 
The text contains characters that are garbled or incorrect or that are not used in the language in which the content appears.