Escape braces in codeblock for range-based for

Author: timsong-cpp

source/statements.tex

@@ -537,7 +537,7 @@
 is equivalent to
 
 \begin{codeblock}
-{
+@\{@
   auto && __range = range-init;
   for ( auto __begin = begin-expr,
              __end = end-expr;
@@ -546,7 +546,7 @@
     @\textit{for-range-declaration}@ = *__begin;
     @\textit{statement}@
   }
-}
+@\}@
 \end{codeblock}
 
 where \tcode{__range}, \tcode{__begin}, and \tcode{__end} are variables defined for