(Merge 3.4) Issue #21398: Fix an unicode error in the pydoc pager when the

documentation contains characters not encodable to the stdout encoding.

diff --cc Misc/NEWS
index 7366cd8453162b2363c04b0bdb4ef9cf09ca6374,32004cb864ad20386c9672d9a44843030e2cb06d..5746074563684d7c743b200484071024f438a462
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -84,21 -79,6 +84,24 @@@ Core and Builtin
  Library
  -------
  
++- Issue #21398: Fix an unicode error in the pydoc pager when the documentation
++  contains characters not encodable to the stdout encoding.
++
 +- Issue #16531: ipaddress.IPv4Network and ipaddress.IPv6Network now accept
 +  an (address, netmask) tuple argument, so as to easily construct network
 +  objects from existing addresses.
 +
 +- Issue #21156: importlib.abc.InspectLoader.source_to_code() is now a
 +  staticmethod.
 +
 +- Issue #21424: Simplified and optimized heaqp.nlargest() and nmsmallest()
 +  to make fewer tuple comparisons.
 +
 +- Issue #21396: Fix TextIOWrapper(..., write_through=True) to not force a
 +  flush() on the underlying binary stream.  Patch by akira.
 +
 +- Issue #18314: Unlink now removes junctions on Windows. Patch by Kim Gräsman
 +
  - Issue #21088: Bugfix for curses.window.addch() regression in 3.4.0.
    In porting to Argument Clinic, the first two arguments were reversed.