2016-12-27 Sandra Loosemore <sandra@codesourcery.com>

2016-12-27  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/cppdiropts.texi, doc/cppwarnopts.texi:  New files, split from...
	* doc/cppopts.texi: .... here.
	* doc/cpp.texi (Invocation): Adjust includes.
	* doc/invoke.texi (Option Summary): Add missing preprocesor-related
	options.  Adjust sorting and formatting.
	(Warning Options): Include cppwarnopts.texi.
	(Preprocessor Options): Add pointers and list the specific
	preprocessor options from cppopts.texi first instead of last.
	(Directory Options): Move/merge documentation of -I, -iquote, and
	-I- to cppdiropts.texi.  Include that file here.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@243954 138bc75d-0d04-0410-961f-82ee72b054a4