[devel] Added exported png_longjmp() function.
diff --git a/ANNOUNCE b/ANNOUNCE
index 5a49f37..eab158c 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -58,6 +58,7 @@
     wherever png_snprintf() is used to construct error and warning messages.
   Noted in scripts/makefile.mingw that it expects to be run under MSYS.
   Removed obsolete unused MMX-querying support from contrib/gregbook
+  Added exported png_longjmp() function.
 
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