* desc-cpu.scm (/gen-cpu-open): Remove comment on K&R support.

	* desc-cpu.scm (/gen-cpu-open): Remove comment on K&R support.
	* utils-cgen.scm (gen-define-with-symcat): Remove K&R support.

	* utils-sim.scm (compute-sformat-argbufs!): Use more consistent name
	for name of empty sbuf.

	* iformat.scm (/sfmt-search-key, /ifmt-lookup-sfmt!): Add assert.

	* insn.scm (<insn>): Add initial value for members fmt-desc, ifmt,
	sfmt, tmp.
	(/sub-insn-ifields): Delete old commented out code.
	(/sub-insn-make!, /parse-insn-format-symbol): Ditto.
	* operand.scm (/anyof-merge-setter, anyof-merge-semantics): Ditto.

	* sim-decode.scm (/gen-decode-insn-globals): Tweak formatting of
	generated code.