Issue #19053: ZipExtFile.read1() with non-zero argument no more returns empty

bytes until end of data.

diff --cc Lib/test/test_zipfile.py
Simple merge

diff --cc Lib/zipfile.py
Simple merge

diff --cc Misc/NEWS
index 6239614bf38ca4da79daa3aaa7506ad6a31db8ac,6289eb254fdc519fae2d5fe7818c5fe167048f5c..ae8631f06a0233e5ecb0ed00b5fc218fbbc6a98a
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -15,19 -18,63 +15,22 @@@ Core and Builtin
  Library
  -------
  
 -- Issue #19028: Fixed tkinter.Tkapp.merge() for non-string arguments.
+ - Issue #19053: ZipExtFile.read1() with non-zero argument no more returns empty
+   bytes until end of data.
+ 
 +- logging: added support for Unix domain sockets to SocketHandler and
 +  DatagramHandler.
 +
 +- Issue #18996: TestCase.assertEqual() now more cleverly shorten differing
 +  strings in error report.
 +
 +- Issue #19034: repr() for tkinter.Tcl_Obj now exposes string reperesentation.
 +
 +- Issue #18978: ``urllib.request.Request`` now allows the method to be
 +  indicated on the class and no longer sets it to None in ``__init__``.
 +
 +- Issue #18626: the inspect module now offers a basic command line
 +  introspection interface (Initial patch by Claudiu Popa)
  
  - Issue #3015: Fixed tkinter with wantobject=False.  Any Tcl command call
    returned empty string.