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Diffstat (limited to 'Doc/ref/ref4.tex')
| -rw-r--r-- | Doc/ref/ref4.tex | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex index 0eb6841..b993266 100644 --- a/Doc/ref/ref4.tex +++ b/Doc/ref/ref4.tex @@ -183,12 +183,9 @@ either case, it prints a stack backtrace, except when the exception is \exception{SystemExit}\withsubitem{(built-in exception)}{\ttindex{SystemExit}}. -Exceptions are identified by string objects or class instances. -Selection of a matching except clause is based on object identity -(i.e., two different string objects with the same value represent -different exceptions!) For string exceptions, the \keyword{except} -clause must reference the same string object. For class exceptions, -the \keyword{except} clause must reference the same class or a base +Exceptions are identified by class instances. +Selection of a matching except clause is based on object identity. +The \keyword{except} clause must reference the same class or a base class of it. When an exception is raised, an object (maybe \code{None}) is passed |