PEP 479: Resolve dangling hyphens (#3355)

pep-0479.txt

@@ -57,9 +57,9 @@ problem.)
 This is particularly pernicious in combination with the ``yield from``
 construct of :pep:`380`, as it breaks the abstraction that a
 subgenerator may be factored out of a generator.  That PEP notes this
-limitation, but notes that "use cases for these [are] rare to non-
-existent".  Unfortunately while intentional use is rare, it is easy to
-stumble on these cases by accident::
+limitation, but notes that "use cases for these [are] rare to
+non-existent".  Unfortunately while intentional use is rare, it is
+easy to stumble on these cases by accident::
 
     import contextlib