2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
	* doc/invoke.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/objc.texi: Likewise.

From-SVN: r244286