Added documentation about directives syntax
Added documentation about directives syntax

svn path=/trunk/xsp/; revision=4430

arthot/xsp,murador/xsp,stormleoxia/xsp,arthot/xsp,murador/xsp,arthot/xsp,stormleoxia/xsp,murador/xsp,murador/xsp,arthot/xsp,stormleoxia/xsp,stormleoxia/xsp