Ticket #4810: grammar-fix--intro-background.patch

libs/type_traits/doc/html/boost_typetraits/background.html

@@ -67 +67 @@
       specific traits classes, each of which encapsulate a single trait from the
       C++ type system; for example, is a type a pointer or a reference type? Or does
       a type have a trivial constructor, or a const-qualifier? The type-traits classes
-      share a unified design: each class inherits from a the type <a class="link" href="reference/integral_constant.html" title="integral_constant">true_type</a>
+      share a unified design: each class inherits from the type <a class="link" href="reference/integral_constant.html" title="integral_constant">true_type</a>
       if the type has the specified property and inherits from <a class="link" href="reference/integral_constant.html" title="integral_constant">false_type</a>
       otherwise. As we will show, these classes can be used in generic programming
       to determine the properties of a given type and introduce optimizations that

libs/type_traits/doc/html/boost_typetraits/intro.html

@@ -33 +33 @@
       or a const-qualifier?
     </p>
 <p>
-      The type-traits classes share a unified design: each class inherits from a
+      The type-traits classes share a unified design: each class inherits from
       the type <a class="link" href="reference/integral_constant.html" title="integral_constant">true_type</a>
       if the type has the specified property and inherits from <a class="link" href="reference/integral_constant.html" title="integral_constant">false_type</a>
       otherwise.