--- old/make/data/charsetmapping/charsets	2019-01-15 09:18:00 +0000
+++ new/make/data/charsetmapping/charsets	2019-01-15 09:18:00 +0000
@@ -1561,6 +1561,15 @@
     alias   ibm-euctw
     alias   964
 
+charset x-IBM29626C IBM29626C
+    package sun.nio.cs.ext
+    type    template
+    alias   cp29626c            # JDK historical
+    alias   ibm29626c
+    alias   ibm-29626c
+    alias   29626c
+    alias   ibm-eucjp
+
 charset x-IBM33722 IBM33722
     package sun.nio.cs.ext
     type    source