* doc/c-alpha.texi: Fix typos.

	* doc/c-alpha.texi: Fix typos.
	* doc/c-arm.texi: Likewise.
	* doc/c-d10v.texi: Likewise.
	* doc/c-i370.texi: Likewise.
	* doc/c-i960.texi: Likewise.
	* doc/c-ia64.texi: Likewise.
	* doc/c-mmix.texi: Likewise.
	* doc/c-ns32k.texi: Likewise.
	* doc/c-pdp11.texi: Likewise.
	* doc/c-pj.texi: Likewise.
	* doc/c-sh64.texi: Likewise.
	* doc/c-sparc.texi: Likewise.
	* doc/c-tic54x.texi: Likewise.
	* doc/c-v850.texi: Likewise.
	* doc/c-vax.texi: Likewise.
	* doc/internals.texi: Likewise.