Mention using-declarators

Author: Endilll

source/templates.tex

@@ -143,8 +143,8 @@
 \begin{note}
 A template cannot have the same name as any other
 name bound in the same scope\iref{basic.scope.scope}, except
-that a function template can share a name with a type, non-template
-functions\iref{dcl.fct} and/or function templates\iref{temp.over}.
+that a function template can share a name with \grammarterm{using-declarator}s,
+a type, non-template functions\iref{dcl.fct} and/or function templates\iref{temp.over}.
 Specializations, including partial specializations\iref{temp.spec.partial},
 do not reintroduce or bind names.
 Their target scope is the target scope of the primary template,