doc: Fix a pinch of typos in extend.texi

gcc/ChangeLog:

	* doc/extend.texi (C++ Concepts) <forall>: Remove extraneous
	parenthesis.  Fix misnamed index entry.
	<concept>: Fix misnamed index entry.
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Arsen Arsenović 2023-05-17 22:16:05 +02:00 committed by Arsen Arsenović
parent 7bafe652db
commit da9140b90e
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@ -25460,12 +25460,12 @@ assumption is valid. For example, @code{assume(n > 0)}.
@item axiom
Introduces an axiom definition. Axioms introduce requirements on values.
@kindex axiom
@kindex forall
@item forall
Introduces a universally quantified object in an axiom. For example,
@code{forall (int n) n + 0 == n}).
@code{forall (int n) n + 0 == n}.
@kindex axiom
@kindex concept
@item concept
Introduces a concept definition. Concepts are sets of syntactic and semantic
requirements on types and their values.