> > > > and then just a paragraph down [par 5? or 4?] a variant > beginning > > with a digit is described as having a length of 4-8 characters: > > "There is a subtlety in the ABNF > > production 'variant': a variant starting with a digit has a > minimum > > length of four characters, > > While this is true, I think deleting the word "minimum" here would > fix > the problem. > No. It would be wrong. A requested variant subtag starting with a digit may be up to eight characters (letters or digits) long. They can be as short as four characters. A request for a subtag starting with a letter must be at least five in length. Removing the word "minimum" would make it mean that a variant starting with a digit could only be four characters long. Addison
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