bpo-14014: Clarify StreamWriter.reset() documentation (GH-13716)

(cherry picked from commit 1a9f51e)

Co-authored-by: Berker Peksag <[email protected]>

Author: miss-islington

Doc/library/codecs.rst

@@ -694,7 +694,7 @@ compatible with the Python codec registry.
 
    .. method:: reset()
 
-      Flushes and resets the codec buffers used for keeping state.
+      Resets the codec buffers used for keeping internal state.
 
       Calling this method should ensure that the data on the output is put into
       a clean state that allows appending of new fresh data without having to
@@ -789,7 +789,7 @@ compatible with the Python codec registry.
 
    .. method:: reset()
 
-      Resets the codec buffers used for keeping state.
+      Resets the codec buffers used for keeping internal state.
 
       Note that no stream repositioning should take place. This method is
       primarily intended to be able to recover from decoding errors.

Lib/codecs.py

@@ -386,7 +386,7 @@ def writelines(self, list):
 
     def reset(self):
 
-        """ Flushes and resets the codec buffers used for keeping state.
+        """ Resets the codec buffers used for keeping internal state.
 
             Calling this method should ensure that the data on the
             output is put into a clean state, that allows appending
@@ -620,7 +620,7 @@ def readlines(self, sizehint=None, keepends=True):
 
     def reset(self):
 
-        """ Resets the codec buffers used for keeping state.
+        """ Resets the codec buffers used for keeping internal state.
 
             Note that no stream repositioning should take place.
             This method is primarily intended to be able to recover