Trailing space.

Author: vgvassilev

source/expressions.tex

@@ -5210,7 +5210,7 @@
 template<int> struct X { }; 
 constexpr A a = 42; 
 X<a> x;             // OK: unique conversion to \tcode{int}
-int ary[a];         // error: ambiguous: conversion 
+int ary[a];         // error: ambiguous: conversion
 \end{codeblock}
 \end{example}%
 \indextext{expression|)}