Merge pull request #14 from gsauthof/verbatim

Add some missing verbatim markers

doc/conversion.qbk

@@ -91,7 +91,7 @@ crosscasts of pointers to polymorphic objects, but error notification in
 the form of a returned value of 0 is inconvenient to test, or worse yet,
 easy to forget to test. The throwing form of `dynamic_cast`, which
 works on references, can be used on pointers through the ugly expression
-`&dynamic_cast<T&>(*p), which causes undefined 
+`&dynamic_cast<T&>(*p)`, which causes undefined
 behavior if `p` is `0`. The `polymorphic_cast`
 template performs a `dynamic_cast` on a pointer, and throws an
 exception if the `dynamic_cast` returns 0.
@@ -99,12 +99,12 @@ exception if the `dynamic_cast` returns 0.
 For crosscasts, or when the success of a cast can only be known at runtime, 
 or when efficiency is not important, `polymorphic_cast` is preferred.
 
-The C++ built-in dynamic_cast must be used to cast references rather than pointers.
+The C++ built-in `dynamic_cast` must be used to cast references rather than pointers.
 It is also the only cast that can be used to check whether a given interface is supported; in that case a return of 0 isn't an error condition.
 
 [#polymorphic_pointer_cast]
-While polymorphic_downcast and polymorphic_cast work with built-in pointer types only,
-polymorphic_pointer_downcast and polymorphic_pointer_cast are more generic versions
+While `polymorphic_downcast` and `polymorphic_cast` work with built-in pointer types only,
+`polymorphic_pointer_downcast` and `polymorphic_pointer_cast` are more generic versions
 with support for any pointer type for which the following expressions would be valid:
 
 For `polymorphic_pointer_downcast`:
@@ -192,6 +192,6 @@ This includes C++ built-in pointers, `std::shared_ptr`,
 `polymorphic_pointer_downcast` was contributed by [@http://www.boost.org/people/boris_rasin.htm Boris Rasin]
 and `polymorphic_pointer_cast` by Antony Polukhin.
 
-An old numeric_cast that was contributed by [@http://www.boost.org/people/kevlin_henney.htm Kevlin Henney]
+An old `numeric_cast` that was contributed by [@http://www.boost.org/people/kevlin_henney.htm Kevlin Henney]
 is now superseeded by the [@boost:numeric_conversion/doc/html/html/boost_numericconversion/improved_numeric_cast__.html Boost Numeric Conversion Library]
 [endsect]

test/cast_test.cpp

@@ -72,7 +72,7 @@ int main( int argc, char * argv[] )
 
     bool caught_exception = false;
     try { derived = polymorphic_cast<Derived*>( base ); }
-    catch (std::bad_cast)
+    catch (const std::bad_cast&)
         { cout<<"caught bad_cast\n"; caught_exception = true; }
     BOOST_TEST( caught_exception );
     //  the following is just so generated code can be inspected