ArgType 'String' is not valid in MessageFormatter class (fixes #3191) #3192
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First noticed when sending an email using the Email class, a few of the language strings in System/Language/en/*.php use an argtype of "string" which isn't valid in the PHP MessageFormatter class. This causes an error to be logged, or in a production environment, an error to be shown and the script halted. Removing this argType (leaving it undefined) fixes this completely.
There was also a typo in System/Language/en/Images.php in the same place (closing bracket instead of a closing brace) which I fixed at the same time.