class Ascii85::DecodingError

This error is raised when Ascii85.decode encounters one of the following problems in the input:

• An invalid character. Valid characters are ‘!’..‘u’ and ‘z’.

• A ‘z’ character inside a 5-tuple. ‘z’s are only valid on their own.

• An invalid 5-tuple that decodes to >= 2**32

• The last tuple consisting of a single character. Valid tuples always have at least two characters.