sourcebuild.texi (Test Directives): Split into six subsections...

sourcebuild.texi (Test Directives): Split into six subsections...

2010-03-22  Janis Johnson  <janis187@us.ibm.com>
	    Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Test Directives): Split into six
	subsections, with most of the current text in new subsections
	Directives, Selectors, and Final Actions.
	(Directives): Split list of test directives into multiple
	subsubsections.
	(Selectors): Describe use and syntax of selectors.
	(Effective-Target Keywords): Describe all existing keywords.
	(Add Options): Describe features for dg-add-options.
	(Require Support): Describe variants of dg-require-support.
	(Final Actions): Describe commands to use in dg-final.

Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
From-SVN: r157646