Parse first table in all of 'as-number' (but not 'as-date').
[pspp] / dump-spo.c
2020-06-23 Ben Pfaffwork on spo files
2020-01-02 Ben Pfaffsome success with dissecting data and dimensions
2020-01-02 Ben Pfaffcharacter encoding, node depth
2020-01-02 Ben Pfaffsignificant progess on SPOs
2019-12-31 Ben Pfaffspo: learned things
2019-12-31 Ben Pfaffsome spo decoding progress (?)
2019-12-31 Ben Pfaffnew research