Git commits in Moodle 1.9.3 by whchuang

commit d76df8e8486f537639379214c7b1df1ff23b8a62
Author: whchuang <whchuang>
Date:   Thu, 21 Aug 2008 01:40:47 +0800
Tag:    v1.9.3

Minor formatting changes to make the content more consistent. See MDL-15075

commit 8820c444643926106e9cf9c1eccd0d90782f3964
Author: whchuang <whchuang>
Date:   Thu, 21 Aug 2008 01:21:46 +0800
Tag:    v1.9.3

Fixed MDL-15075. Some mistakes in the help file for category aggregation.