Fix typos: despatcher -> dispatcher.

Doc/lib/libasynchat.tex

@@ -13,26 +13,26 @@ are of variable length. \refmodule{asynchat} defines the abstract class
 \class{async_chat} that you subclass, providing implementations of the
 \method{collect_incoming_data()} and \method{found_terminator()}
 methods. It uses the same asynchronous loop as \refmodule{asyncore}, and
-the two types of channel, \class{asyncore.despatcher} and
+the two types of channel, \class{asyncore.dispatcher} and
 \class{asynchat.async_chat}, can freely be mixed in the channel map.
-Typically an \class{asyncore.despatcher} server channel generates new
+Typically an \class{asyncore.dispatcher} server channel generates new
 \class{asynchat.async_chat} channel objects as it receives incoming
 connection requests. 
 
 \begin{classdesc}{async_chat}{}
-  This class is an abstract subclass of \class{asyncore.despatcher}. To make
+  This class is an abstract subclass of \class{asyncore.dispatcher}. To make
   practical use of the code you must subclass \class{async_chat}, providing
   meaningful \method{collect_incoming_data()} and \method{found_terminator()}
-  methods. The \class{asyncore.despatcher} methods can be
+  methods. The \class{asyncore.dispatcher} methods can be
   used, although not all make sense in a message/response context.  
 
-  Like \class{asyncore.despatcher}, \class{async_chat} defines a set of events
+  Like \class{asyncore.dispatcher}, \class{async_chat} defines a set of events
   that are generated by an analysis of socket conditions after a
   \cfunction{select()} call. Once the polling loop has been started the
   \class{async_chat} object's methods are called by the event-processing
   framework with no action on the part of the programmer.
 
-  Unlike \class{asyncore.despatcher}, \class{async_chat} allows you to define
+  Unlike \class{asyncore.dispatcher}, \class{async_chat} allows you to define
   a first-in-first-out queue (fifo) of \emph{producers}. A producer need have
   only one method, \method{more()}, which should return data to be transmitted
   on the channel. The producer indicates exhaustion (\emph{i.e.} that it contains

Doc/lib/libasyncore.tex

@@ -59,7 +59,7 @@ service) is closed.
   -- make sure you extend, rather than override, \method{__init__()}
   if you want to retain this behavior).
 
-  Channels (instances of \class{asyncore.despatcher}, \class{asynchat.async_chat}
+  Channels (instances of \class{asyncore.dispatcher}, \class{asynchat.async_chat}
   and subclasses thereof) can freely be mixed in the map.
 \end{funcdesc}