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-rw-r--r--NEWS5
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@@ -19,6 +19,11 @@ Version 2.21
   still be used to compile programs using the GNU C Library.
 
 * New locales: tu_IN, bh_IN.
+
+* The obsolete sigvec function has been removed.  This was the original
+  4.2BSD interface that inspired the POSIX.1 sigaction interface, which
+  programs have been using instead for about 25 years.  Of course, ABI
+  compatibility for old binaries using sigvec remains intact.
 
 Version 2.20