[dcl.dcl] Add page breaks.

Partially addresses #4228.

Author: Dawn Perchik

source/declarations.tex

@@ -582,6 +582,9 @@
 a \grammarterm{typedef-name} is thus a synonym for another type. A
 \grammarterm{typedef-name} does not introduce a new type the way a class
 declaration\iref{class.name} or enum declaration\iref{dcl.enum} does.
+
+\newpage
+
 \begin{example}
 After
 \begin{codeblock}
@@ -1213,6 +1216,8 @@
 \grammarterm{type-specifier}{s} are discussed in the rest of \ref{dcl.type}.
 \end{note}
 
+\newpage
+
 \rSec3[dcl.type.cv]{The \fakegrammarterm{cv-qualifier}{s}}%
 \indextext{specifier!cv-qualifier}%
 \indextext{initialization!\idxcode{const}}%
@@ -1731,6 +1736,9 @@
 \end{codeblock}
 the \grammarterm{expression-list} shall be a single
 \grammarterm{assignment-expression}.
+
+\newpage
+
 \begin{example}
 \begin{codeblock}
 auto x = 5;                     // OK: \tcode{x} has type \tcode{int}
@@ -3668,6 +3676,8 @@
 template<C3 T>       void g4(T);
 \end{codeblock}
 
+\newpage
+
 Abbreviated function templates can be specialized like all function templates.
 \begin{codeblock}
 template<> void g1<int>(const int*, const double&); // OK, specialization of \tcode{g1<int, const double>}
@@ -3885,6 +3895,7 @@
   a = 2;
   {
   int a = 3;
+@\newpage@
   g();                          // \tcode{g(f(::a))}
   }
 }
@@ -6148,6 +6159,8 @@
 constitute a reference.
 \end{note}
 
+\newpage
+
 \pnum
 \begin{example}
 One can prevent default initialization and
@@ -7298,6 +7311,9 @@
 that the entity being defined was already declared in the namespace and
 the definition appears after the point of declaration in a namespace
 that encloses the declaration's namespace.
+
+\newpage
+
 \begin{example}
 \begin{codeblock}
 namespace Q {
@@ -7637,6 +7653,8 @@
 \indextext{using-directive|)}%
 \indextext{namespaces|)}
 
+\newpage
+
 \rSec1[namespace.udecl]{The \tcode{using} declaration}%
 \indextext{using-declaration|(}
 
@@ -7733,6 +7751,9 @@
 X<B, D> x;                      // OK: \tcode{B::g} and \tcode{D::g} introduced
 \end{codeblock}
 \end{example}
+
+\newpage
+
 \begin{example}
 \begin{codeblock}
 class C {
@@ -8349,6 +8370,9 @@
 must not be defined in more
 than one namespace scope.
 \end{note}
+
+\newpage
+
 \begin{example}
 \begin{codeblock}
 int x;
@@ -8980,6 +9004,8 @@
 implementations should not emit such a warning unless
 all of its structured bindings are unused.
 
+\newpage
+
 \pnum
 \begin{example}
 \begin{codeblock}