[conv.integral] Exclude boolean conversions from integral conversions

Author: sdkrystian

source/expressions.tex

@@ -928,8 +928,7 @@
 
 \pnum
 \indextext{conversion!bool@\tcode{bool}}%
-If the destination type is \keyword{bool}, see~\ref{conv.bool}. If the
-source type is \keyword{bool}, the value \keyword{false} is converted to
+If the source type is \keyword{bool}, the value \keyword{false} is converted to
 zero and the value \keyword{true} is converted to one.
 
 \pnum
@@ -940,8 +939,8 @@
 where $N$ is the width of the destination type.
 
 \pnum
-The conversions allowed as integral promotions are excluded from the set
-of integral conversions.
+The conversions performed by integral promotions and boolean conversions are
+excluded from the set of integral conversions.
 
 \rSec2[conv.double]{Floating-point conversions}