fix TextIOWrapper.read() when the buffer is not readable #5628
diff --git a/Misc/NEWS b/Misc/NEWS
index 78adb64..914e257 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -53,6 +53,8 @@
 Library
 -------
 
+- Issue #5628: Fix io.TextIOWrapper.read() with a unreadable buffer.
+
 - Issue #5619: Multiprocessing children disobey the debug flag and causes
   popups on windows buildbots. Patch applied to work around this issue.