Visibility Rules
Author: JTC1/SC22/WG9/ARG, by Randall Brukardt, ARG Editor

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# Section 8: Visibility Rules

1
The rules defining the scope of declarations and the rules defining which identifiers, character_literals, and operator_symbols are visible at (or from) various places in the text of the program are described in this section. The formulation of these rules uses the notion of a declarative region.
2
As explained in Section 3, a declaration declares a view of an entity and associates a defining name with that view. The view comprises an identification of the viewed entity, and possibly additional properties. A usage name denotes a declaration. It also denotes the view declared by that declaration, and denotes the entity of that view. Thus, two different usage names might denote two different views of the same entity; in this case they denote the same entity.

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