Annex A (informative) Grammar summary [gram]

A.9 Derived classes [gram.derived]

base-clause:
	: base-specifier-list
base-specifier-list:
	base-specifier ...opt
	base-specifier-list , base-specifier ...opt
base-specifier:
	attribute-specifier-seqopt class-or-decltype
	attribute-specifier-seqopt virtual access-specifieropt class-or-decltype
	attribute-specifier-seqopt access-specifier virtualopt class-or-decltype
class-or-decltype:
	nested-name-specifieropt class-name
	nested-name-specifier template simple-template-id
	decltype-specifier
access-specifier:
	private
	protected
	public