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There are many auxiliary functions to recognize and transform sequences of numbers, abbreviations and other special features. They are mostly implemented in Scheme (festival/lib/german/ims_german_token_to_words_tools.scm), except for ``german_parse_cardinal'' (which is defined in festival/src/modules/ims_german_text/ims_german_text.cc).
- (german_parse_cardinal NUMBERSTRING)
- Transforms NUMBERSTRING into a list of words. NUMBERSTRING must be not be longer than 24 digits and it must solely consist of digits. Leading zeros are ignored.