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	(pragma_dispatch): Pragma dispatcher.
	(top_pragmas, gcc_pragmas): New static variables.
	(do_pragma): Use pragma_dispatch.
	(do_pragma_gcc): New pragma handler.
	* cpp.texi: Update.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34663 138bc75d-0d04-0410-961f-82ee72b054a4