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	(OPT_fabi_version_, OPT_ftabstop_, OPT_ftemplate_depth_): Use value
	directly rather than converting the argument.
	* c.opt: Update docs.  Use UInteger where appropriate.
	* common.opt: Use UInteger where appropriate.
	* opts.c (integral_argument): New.
	(handle_argument): Handle integral arguments, and optional
	joined arguments.
	(common_handle_option): Update.
	* opts.h (CL_MISSING_OK, CL_UINTEGER): New.
	* opts.sh: Handle JoinedOrMissing and UInteger flags.
java:
	* lang.c (java_handle_option): Special-casing of optional
	joined arguments no longer needed.
	* lang.opt: Update switches that take optional argument.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67999 138bc75d-0d04-0410-961f-82ee72b054a4