* c-pragma.h (cpp_register_pragma_space): Remove.

	* c-pragma.h (cpp_register_pragma_space): Remove.
	* cpplib.h (cpp_register_pragma_space): Remove.
	* cpplib.c (lookup_pragma_entry, insert_pragma_entry): New.
	(cpp_register_pragma_space): Remove.
	(cpp_register_pragma): Simplify using lookup_pragma_entry,
	add sanity checks.
	(do_pragma): Similarly.
	(_cpp_init_internal_pragmas): Don't register namespaces.

	* config/v850/v850.h (REGISTER_TARGET_PRAGMAS):
	Don't register namespaces.
	* cp/lex.c (init_cp_pragma): Similarly.
	* doc/tm.texi: Update.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46254 138bc75d-0d04-0410-961f-82ee72b054a4