Update docs for bool changes by Guido around April 6

Doc/lib/libchunk.tex

@@ -78,7 +78,7 @@ The remaining methods will raise \exception{IOError} if called after
 the \method{close()} method has been called.
 
 \begin{methoddesc}{isatty}{}
-Returns \code{0}.
+Returns \code{False}.
 \end{methoddesc}
 
 \begin{methoddesc}{seek}{pos\optional{, whence}}

Doc/lib/libimp.tex

@@ -94,8 +94,8 @@ Return a new empty module object called \var{name}.  This object is
 \end{funcdesc}
 
 \begin{funcdesc}{lock_held}{}
-Return 1 if the import lock is currently held, else 0.
-On platforms without threads, always return 0.
+Return \code{True} if the import lock is currently held, else \code{False}.
+On platforms without threads, always return \code{False}.
 
 On platforms with threads, a thread executing an import holds an internal
 lock until the import is complete.
@@ -174,8 +174,8 @@ module called \var{name}.
 \end{funcdesc}
 
 \begin{funcdesc}{is_frozen}{name}
-Return \code{1} if there is a frozen module (see
-\function{init_frozen()}) called \var{name}, or \code{0} if there is
+Return \code{True} if there is a frozen module (see
+\function{init_frozen()}) called \var{name}, or \code{False} if there is
 no such module.
 \end{funcdesc}
 

Doc/lib/librfc822.tex

@@ -156,8 +156,8 @@ checks that the line is blank, but you can override it in a subclass.
 \end{methoddesc}
 
 \begin{methoddesc}{iscomment}{line}
-Return true if the given line should be ignored entirely, just skipped.
-By default this is a stub that always returns false, but you can
+Return \code{True} if the given line should be ignored entirely, just skipped.
+By default this is a stub that always returns \code{False}, but you can
 override it in a subclass.
 \end{methoddesc}
 

Doc/lib/libstdtypes.tex

@@ -1072,8 +1072,8 @@ Files have the following methods:
 \end{methoddesc}
 
 \begin{methoddesc}[file]{isatty}{}
-  Return true if the file is connected to a tty(-like) device, else
-  false.  \note{If a file-like object is not associated
+  Return \code{True} if the file is connected to a tty(-like) device, else
+  \code{False}.  \note{If a file-like object is not associated
   with a real file, this method should \emph{not} be implemented.}
 \end{methoddesc}
 
@@ -1193,7 +1193,7 @@ These are not required for file-like objects, but should be
 implemented if they make sense for the particular object.
 
 \begin{memberdesc}[file]{closed}
-Boolean indicating the current state of the file object.  This is a
+bool indicating the current state of the file object.  This is a
 read-only attribute; the \method{close()} method changes the value.
 It may not be available on all file-like objects.
 \end{memberdesc}

Doc/lib/libthread.tex

@@ -82,8 +82,8 @@ reason for existence), and returns \code{None}.  If the integer
 value: if it is zero, the lock is only acquired if it can be acquired
 immediately without waiting, while if it is nonzero, the lock is
 acquired unconditionally as before.  If an argument is present, the
-return value is \code{1} if the lock is acquired successfully,
-\code{0} if not.
+return value is \code{True} if the lock is acquired successfully,
+\code{False} if not.
 \end{methoddesc}
 
 \begin{methoddesc}[lock]{release}{}
@@ -92,8 +92,8 @@ necessarily by the same thread.
 \end{methoddesc}
 
 \begin{methoddesc}[lock]{locked}{}
-Return the status of the lock:\ \code{1} if it has been acquired by
-some thread, \code{0} if not.
+Return the status of the lock:\ \code{True} if it has been acquired by
+some thread, \code{False} if not.
 \end{methoddesc}
 
 \strong{Caveats:}

Doc/lib/libzipfile.tex

@@ -48,8 +48,8 @@ The available attributes of this module are:
 \end{classdesc}
 
 \begin{funcdesc}{is_zipfile}{filename}
-  Returns true if \var{filename} is a valid ZIP file based on its magic
-  number, otherwise returns false.  This module does not currently
+  Returns \code{True} if \var{filename} is a valid ZIP file based on its magic
+  number, otherwise returns \code{False}.  This module does not currently
   handle ZIP files which have appended comments.
 \end{funcdesc}