- fix markup in the bool() description
- note the behavior of bool() with no arg in the main body of the
description
diff --git a/Doc/lib/libfuncs.tex b/Doc/lib/libfuncs.tex
index 61880ae..d53ff24 100644
--- a/Doc/lib/libfuncs.tex
+++ b/Doc/lib/libfuncs.tex
@@ -71,17 +71,16 @@
\begin{funcdesc}{bool}{\optional{x}}
Convert a value to a Boolean, using the standard truth testing
- procedure. If \code{x} is false, this returns \code{False};
- otherwise it returns \code{True}. \code{bool} is also a class,
- which is a subclass of \code{int}. Class \code{bool} cannot be
- subclassed further. Its only instances are \code{False} and
- \code{True}.
+ procedure. If \var{x} is false or omitted, this returns
+ \constant{False}; otherwise it returns \constant{True}.
+ \class{bool} is also a class, which is a subclass of \class{int}.
+ Class \class{bool} cannot be subclassed further. Its only instances
+ are \constant{False} and \constant{True}.
-\indexii{Boolean}{type}
-\versionadded{2.2.1}
-
+ \indexii{Boolean}{type}
+ \versionadded{2.2.1}
\versionchanged[If no argument is given, this function returns
- \code{False}]{2.3}
+ \constant{False}]{2.3}
\end{funcdesc}
\begin{funcdesc}{callable}{object}