Fix error when lexing language list. #4784
Merged
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A language list with the value "*:." is lexed correctly and an error
saying that if all the languages (the meaning of the character *) are
requested, the language list should only have one element.
But a language list with the value ".:*" fails with a lexing error. This
change changes the lexer so that the two lists fail with the same error.
This change is