Doc and NEWS changes due to Jeremy adding traceback objects to gc.

tim-one · tim-one · commit 98791affc8d0 · 2001-10-23T01:59:54.000Z
diff --git a/Doc/lib/libsys.tex b/Doc/lib/libsys.tex
@@ -109,7 +109,10 @@ \section{\module{sys} ---
   exception type and value.  If you do need the traceback, make sure
   to delete it after use (best done with a \keyword{try}
   ... \keyword{finally} statement) or to call \function{exc_info()} in
-  a function that does not itself handle an exception.}
+  a function that does not itself handle an exception.} \note{Beginning
+  with Python 2.2, such cycles are automatically reclaimed when garbage
+  collection is enabled and they become unreachable, but it remains more
+  efficient to avoid creating cycles.}
 \end{funcdesc}
 
 \begin{datadesc}{exc_type}
diff --git a/Misc/NEWS b/Misc/NEWS
@@ -16,6 +16,10 @@ Extension modules
 
 Library
 
+- Traceback objects are now scanned by cyclic garbage collection, so
+  cycles created by casual use of sys.exc_info() no longer cause
+  permanent memory leaks (provided garbage collection is enabled).
+
 Tools/Demos
 
 Build
