[meta.type.synop,meta.help] Use \libglobal for indexing

Author: Eelis

source/meta.tex

@@ -160,9 +160,9 @@
   template<class T, T v> struct integral_constant;
 
   template<bool B>
-    using bool_constant = integral_constant<bool, B>;
-  using true_type  = bool_constant<true>;
-  using false_type = bool_constant<false>;
+    using @\libglobal{bool_constant}@ = integral_constant<bool, B>;
+  using @\libglobal{true_type}@  = bool_constant<true>;
+  using @\libglobal{false_type}@ = bool_constant<false>;
 
   // \ref{meta.unary.cat}, primary type categories
   template<class T> struct is_void;
@@ -595,7 +595,7 @@
 \indexlibrarymember{value_type}{integral_constant}%
 \begin{codeblock}
 namespace std {
-  template<class T, T v> struct integral_constant {
+  template<class T, T v> struct @\libglobal{integral_constant}@ {
     static constexpr T value = v;
 
     using value_type = T;
@@ -607,7 +607,6 @@
 }
 \end{codeblock}
 
-\indexlibraryglobal{integral_constant}%
 \indexlibraryglobal{bool_constant}%
 \indexlibraryglobal{true_type}%
 \indexlibraryglobal{false_type}%