Pure-Lua library to validate ISBN numbers, correct invalid checksums, format them using the standard arrangement of hyphens, compare them for equivalence, and extract individual parts of the value. Handles ISBN-10 and ISBN-13, as well as ISSN codes.



Version 1.3

Released 9 October 2008. Download lua-isbn-1.3.tar.gz.

Version 1.2

Released 20 April 2008. Download lua-isbn-1.2.tar.gz.

Version 1.1

Released 12 December 2007. Download lua-isbn-1.1.tar.gz.

Version 1.0

Released 7 September 2007. Download lua-isbn-1.0.tar.gz.