[range.concat.view] Format code to match the current style (#6929)

Author: hewillk

source/ranges.tex

@@ -8533,16 +8533,16 @@
     constexpr concat_view() = default;
     constexpr explicit concat_view(Views... views);
 
-    constexpr @\exposid{iterator}@<false> begin() requires(!(@\exposconcept{simple-view}@<Views> && ...));
+    constexpr @\exposid{iterator}@<false> begin() requires (!(@\exposconcept{simple-view}@<Views> && ...));
     constexpr @\exposid{iterator}@<true> begin() const
-      requires((@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>);
+      requires (@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>;
 
-    constexpr auto end() requires(!(@\exposconcept{simple-view}@<Views> && ...));
+    constexpr auto end() requires (!(@\exposconcept{simple-view}@<Views> && ...));
     constexpr auto end() const
-      requires((@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>);
+      requires (@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>;
 
-    constexpr auto size() requires(@\libconcept{sized_range}@<Views>&&...);
-    constexpr auto size() const requires(@\libconcept{sized_range}@<const Views>&&...);
+    constexpr auto size() requires (@\libconcept{sized_range}@<Views> && ...);
+    constexpr auto size() const requires (@\libconcept{sized_range}@<const Views> && ...);
   };
 
   template<class... R>
@@ -8650,9 +8650,9 @@
 
 \indexlibrarymember{begin}{concat_view}%
 \begin{itemdecl}
-constexpr @\exposid{iterator}@<false> begin() requires(!(@\exposconcept{simple-view}@<Views> && ...));
+constexpr @\exposid{iterator}@<false> begin() requires (!(@\exposconcept{simple-view}@<Views> && ...));
 constexpr @\exposid{iterator}@<true> begin() const
-  requires((@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>);
+  requires (@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>;
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -8671,9 +8671,9 @@
 
 \indexlibrarymember{end}{concat_view}%
 \begin{itemdecl}
-constexpr auto end() requires(!(@\exposconcept{simple-view}@<Views> && ...));
+constexpr auto end() requires (!(@\exposconcept{simple-view}@<Views> && ...));
 constexpr auto end() const
-  requires((@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>);
+  requires (@\libconcept{range}@<const Views> && ...) && @\exposconcept{concatable}@<const Views...>;
 \end{itemdecl}
 
 \begin{itemdescr}
@@ -8696,8 +8696,8 @@
 
 \indexlibrarymember{size}{concat_view}%
 \begin{itemdecl}
-constexpr auto size() requires(@\libconcept{sized_range}@<Views>&&...);
-constexpr auto size() const requires(@\libconcept{sized_range}@<const Views>&&...);
+constexpr auto size() requires (@\libconcept{sized_range}@<Views> && ...);
+constexpr auto size() const requires (@\libconcept{sized_range}@<const Views> && ...);
 \end{itemdecl}
 
 \begin{itemdescr}