changeset:   91206:9ba324a20bad
branch:      3.4
parent:      91204:8fcbe41e1242
user:        Terry Jan Reedy <tjreedy@udel.edu>
date:        Mon Jun 16 03:31:00 2014 -0400
files:       Doc/library/exceptions.rst
description:
Issue #21559: Add alternative (historical) reason for OverflowError.


diff -r 8fcbe41e1242 -r 9ba324a20bad Doc/library/exceptions.rst
--- a/Doc/library/exceptions.rst	Mon Jun 16 03:05:37 2014 -0400
+++ b/Doc/library/exceptions.rst	Mon Jun 16 03:31:00 2014 -0400
@@ -274,9 +274,10 @@
 
    Raised when the result of an arithmetic operation is too large to be
    represented.  This cannot occur for integers (which would rather raise
-   :exc:`MemoryError` than give up).  Because of the lack of standardization of
-   floating point exception handling in C, most floating point operations also
-   aren't checked.
+   :exc:`MemoryError` than give up).  However, for historical reasons,
+   OverflowError is sometimes raised for integers that are outside a required
+   range.   Because of the lack of standardization of floating point exception
+   handling in C, most floating point operations are not checked.
 
 
 .. exception:: ReferenceError