diff -r 000000000000 -r 373ffda63c9a src/share/jaf_classes/META-INF/mailcap.default
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaf_classes/META-INF/mailcap.default	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,7 @@
+#
+# This is a very simple 'mailcap' file
+#
+image/gif;;		x-java-view=com.sun.activation.viewers.ImageViewer
+image/jpeg;;		x-java-view=com.sun.activation.viewers.ImageViewer
+text/*;;		x-java-view=com.sun.activation.viewers.TextViewer
+text/*;;		x-java-edit=com.sun.activation.viewers.TextEditor