Update docs for bool changes by Guido around April 6
diff --git a/Doc/lib/libchunk.tex b/Doc/lib/libchunk.tex
index c580c77..8e2a494 100644
--- a/Doc/lib/libchunk.tex
+++ b/Doc/lib/libchunk.tex
@@ -78,7 +78,7 @@
the \method{close()} method has been called.
\begin{methoddesc}{isatty}{}
-Returns \code{0}.
+Returns \code{False}.
\end{methoddesc}
\begin{methoddesc}{seek}{pos\optional{, whence}}
diff --git a/Doc/lib/libimp.tex b/Doc/lib/libimp.tex
index 972128f..150f5b4 100644
--- a/Doc/lib/libimp.tex
+++ b/Doc/lib/libimp.tex
@@ -94,8 +94,8 @@
\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 @@
\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}
diff --git a/Doc/lib/librfc822.tex b/Doc/lib/librfc822.tex
index 2fb7d3e..6451b3e 100644
--- a/Doc/lib/librfc822.tex
+++ b/Doc/lib/librfc822.tex
@@ -156,8 +156,8 @@
\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}
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index d63e4d5..f42f84e 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -1072,8 +1072,8 @@
\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 @@
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}
diff --git a/Doc/lib/libthread.tex b/Doc/lib/libthread.tex
index 328e9b7..227dd3d 100644
--- a/Doc/lib/libthread.tex
+++ b/Doc/lib/libthread.tex
@@ -82,8 +82,8 @@
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 @@
\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:}
diff --git a/Doc/lib/libzipfile.tex b/Doc/lib/libzipfile.tex
index 74dc942..a6430cb 100644
--- a/Doc/lib/libzipfile.tex
+++ b/Doc/lib/libzipfile.tex
@@ -48,8 +48,8 @@
\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}