Reove stray escapes

Author: steve-downey

source/utilities.tex

@@ -3200,18 +3200,18 @@
 
   // \ref{optional.optional.ref}, partial specialization of \tcode{optional} for lvalue reference types
   template<class T>
-  class optional<T\&>;                                                  // partially freestanding
+  class optional<T&>;                                                   // partially freestanding
 
   template<class T>
   constexpr bool ranges::enable_view<optional<T>> = true;
   template<class T>
   constexpr auto format_kind<optional<T>> = range_format::disabled;
   template<class T>
-  constexpr bool ranges::enable_borrowed_range<optional<T\&>> = true;
+  constexpr bool ranges::enable_borrowed_range<optional<T&>> = true;
 
   template<class T>
-    concept @\defexposconcept{is-derived-from-optional}@ = requires(const T\& t) {       // \expos
-      []<class U>(const optional<U>\&){ }(t);
+    concept @\defexposconcept{is-derived-from-optional}@ = requires(const T& t) {       // \expos
+      []<class U>(const optional<U>&){ }(t);
     };
 
   // \ref{optional.nullopt}, no-value state indicator