Merge 3.2 closes #12510

diff --cc Misc/NEWS
index e8171ac7a59561181a1e794e08838b2a6629a37c,3ea0ae30dff68a1818281fbdcc1174e0f9cc5657..4b70d45e63bac4baa8986c3cc6e85e6447761f4d
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -49,10 -67,9 +49,13 @@@ Core and Builtin
  Library
  -------
  
+ - Issue12510: Attempting to get invalid tooltip no longer closes Idle.
+   Original patch by Roger Serwy.
+ 
 +- Issue #14925: email now registers a defect when the parser decides that there
 +  is a missing header/body separator line.  MalformedHeaderDefect, which the
 +  existing code would never actually generate, is deprecated.
 +
  - Issue #10365: File open dialog now works instead of crashing
    even when parent window is closed. Patch by Roger Serwy.