LWG4439 std::optional<T&>::swap possibly selects ADL-found swap

Author: burblebee

source/utilities.tex

@@ -4773,7 +4773,7 @@
 \begin{itemdescr}
 \pnum
 \effects
-Equivalent to: \tcode{swap(\exposid{val}, rhs.\exposid{val})}.
+Equivalent to: \tcode{std::swap(\exposid{val}, rhs.\exposid{val})}.
 \end{itemdescr}
 
 \rSec3[optional.ref.iterators]{Iterator support}