b81009ce62
that is longer than we can handle the same way we treat an unknown class name (as a valid char class which contains nothing, so never matches). Previously a "too long" class name invalidated the class, so [:very-long-name:] would match any of '[' ':' 'v' ... (note: "very-long-name" is not long enough to trigger this, but you get the idea!) However, the name itself has a restricted syntax ([[:***:]] is not a character class, it is a match for one of a '[' ':' or '*', followed by a ']') which we did not implement - check the syntax of the name before treating it as a character class (but we do add '_' to alphanumerics as legal class name characters). |
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