merge

diff --cc Misc/NEWS
index 777b263d19609d2a9c21d84ab49304eb5ba86098,b0b08cece914dcf0ef9355c62d364daf49d0d9e2..6c128affb21a028665852892056fa5c169144082
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -105,19 -82,10 +105,23 @@@ Librar
  - Issue #21088: Bugfix for curses.window.addch() regression in 3.4.0.
    In porting to Argument Clinic, the first two arguments were reversed.
  
 +- Issue #10650: Remove the non-standard 'watchexp' parameter from the
 +  Decimal.quantize() method in the Python version.  It had never been
 +  present in the C version.
 +
+ - Issue #21469:  Reduced the risk of false positives in robotparser by
+   checking to make sure that robots.txt has been read or does not exist
+   prior to returning True in can_fetch().
+ 
 +- Issue #19414: Have the OrderedDict mark deleted links as unusable.
 +  This gives an early failure if the link is deleted during iteration.
 +
 +- Issue #21421: Add __slots__ to the MappingViews ABC.
 +  Patch by Josh Rosenberg.
 +
 +- Issue #21101: Eliminate double hashing in the C speed-up code for
 +  collections.Counter().
 +
  - Issue #21321: itertools.islice() now releases the reference to the source
    iterator when the slice is exhausted.  Patch by Anton Afanasyev.