implement metadata arg

[github-actions]

Clonecraft/mods/clonecraft/cmd/give.gd

Lines 52 to 57 in d7debcb

	# TODO implement metadata arg
	if l > 4:
	CMDprocessor.throw("cmd.error.too_many_args")
	return false

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This issue was generated by todo-issue based on a TODO comment in d7debcb. It's been assigned to @clarence112 because they committed the code.