* doc/creating_themes/C/creating-metacity-themes.xml: added missing @id on <book> top element. svn path=/trunk/; revision=3998
* doc/creating_themes/Makefile.am: * doc/creating_themes/C/creating_metacity_themes.xml: renamed document to creating-metacity-themes to match other manuals usage of dashes. svn path=/trunk/; revision=3997