| Fri, 10 Feb 2012 21:01:03 +0000 | urbanc | more on paper; modified schs functions; it is still compatible with the old definition | file | diff | annotate |
| Fri, 10 Feb 2012 11:30:47 +0000 | urbanc | more on paper | file | diff | annotate |
| Thu, 09 Feb 2012 13:05:51 +0000 | urbanc | more on the specification section | file | diff | annotate |
| Wed, 08 Feb 2012 16:35:49 +0000 | urbanc | corrections by Xingyuan | file | diff | annotate |