[over.ics.list] expand example 5, fix inconsistent spacing

Author: Eisenwave

source/overloading.tex

@@ -2419,19 +2419,21 @@
 \begin{codeblock}
 void f(std::initializer_list<int>);
 f( {} );                        // OK, \tcode{f(initializer_list<int>)} identity conversion
-f( {1,2,3} );                   // OK, \tcode{f(initializer_list<int>)} identity conversion
-f( {'a','b'} );                 // OK, \tcode{f(initializer_list<int>)} integral promotion
+f( {1, 2, 3} );                 // OK, \tcode{f(initializer_list<int>)} identity conversion
+f( {'a', 'b'} );                // OK, \tcode{f(initializer_list<int>)} integral promotion
 f( {1.0} );                     // error: narrowing
 
 struct A {
   A(std::initializer_list<double>);             // \#1
   A(std::initializer_list<complex<double>>);    // \#2
-  A(std::initializer_list<std::string>);        // \#3
+  A(std::initializer_list<A>);                  // \#3
+  A(std::initializer_list<std::string>);        // \#4
 };
-A a{ 1.0,2.0 };                 // OK, uses \#1
+A a{ 1.0, 2.0 };                // OK, uses \#1, not \#2
+A b{ a };                       // OK, uses \#3, not the implicitly-defined copy constructor
 
 void g(A);
-g({ "foo", "bar" });            // OK, uses \#3
+g({ "foo", "bar" });            // OK, uses \#4
 
 typedef int IA[3];
 void h(const IA&);