Someone didn't realize that "foo;null" in define_function_args calls sets the default value to 'null' not NULL...this has been there a long time ... maybe even my fault, but I don't remember, it's ancient!
- Add two missing indices to improve performance of permission system and the object context hierarchy significantly (these two indices improved the performance of e.g. /projects/openacs/download/ and /projects/openacs/download/one-revision?revision_id=2089636 by more than a factor of 10; these indices are now among the most used on openacs.org) - Bump version number