module \module{\_tkinter} provides a threadsafe mechanism which allows
Python and Tcl to interact.
-Tk is not the only GUI for Python, but is however the most commonly
-used one; see section~\ref{other-gui-modules}, ``Other User Interface
-Modules and Packages,'' for more information on other GUI toolkits for
-Python.
+Tk is not the only GUI for Python; see
+section~\ref{other-gui-modules}, ``Other User Interface Modules and
+Packages,'' for more information on other GUI toolkits for Python.
% Other sections I have in mind are
% Tkinter internals