Add missing whitespace (#1035)

Author: Johannes Laire

source/basic.tex

@@ -642,7 +642,7 @@
 \begin{note}
 \indextext{name~hiding}%
 a name from an outer scope remains visible up
-to the point of declaration of the name that hides it.\begin{example}
+to the point of declaration of the name that hides it. \begin{example}
 
 \begin{codeblock}
 const int  i = 2;
@@ -670,7 +670,7 @@
 \pnum
 \indextext{declaration!enumerator point~of}%
 The point of declaration for an enumerator is immediately after its
-\grammarterm{enumerator-definition}.\begin{example}
+\grammarterm{enumerator-definition}. \begin{example}
 
 \begin{codeblock}
 const int x = 12;
@@ -1624,7 +1624,7 @@
 lookup of the name preceding that \tcode{::} considers only namespaces, types, and
 templates whose specializations are types. If the
 name found does not designate a namespace or a class, enumeration, or dependent type,
-the program is ill-formed.\begin{example}
+the program is ill-formed. \begin{example}
 
 \begin{codeblock}
 class A {
@@ -2330,7 +2330,7 @@
 outside the innermost enclosing namespace scope, the block scope declaration declares
 that same entity and receives the linkage of the previous declaration. If there is more
 than one such matching entity, the program is ill-formed. Otherwise, if no matching
-entity is found, the block scope entity receives external linkage.\begin{example}
+entity is found, the block scope entity receives external linkage. \begin{example}
 
 \begin{codeblock}
 static void f();

source/declarations.tex

@@ -2217,7 +2217,7 @@
 Each scoped \grammarterm{enumerator} is declared in the scope of the
 enumeration.
 These names obey the scope rules defined for all names
-in~(\ref{basic.scope}) and~(\ref{basic.lookup}).\begin{example}
+in~(\ref{basic.scope}) and~(\ref{basic.lookup}). \begin{example}
 
 \begin{codeblock}
 enum direction { left='l', right='r' }; 

source/declarators.tex

@@ -3938,7 +3938,7 @@
 \begin{note} A constructor or conversion function selected for the copy shall be
 accessible (Clause~\ref{class.access}) in the context of the initializer list.
 \end{note}
-If a narrowing conversion is required to initialize any of the elements, the program is ill-formed.\begin{example}
+If a narrowing conversion is required to initialize any of the elements, the program is ill-formed. \begin{example}
 \begin{codeblock}
 struct X {
   X(std::initializer_list<double> v);

source/locales.tex

@@ -3456,7 +3456,7 @@
 A local variable is initialized as
 
 \begin{codeblock}
-fmtflags adjustfield=   (flags & (ios_base::adjustfield));
+fmtflags adjustfield = (flags & (ios_base::adjustfield));
 \end{codeblock}
 
 The location of any padding\footnote{The conversion specification