8290209: jcup.md missing additional text

Backport-of: 2bf6285c80f078d8451afb5682ee307bb13be179

src/java.xml/share/legal/jcup.md

@@ -1,8 +1,8 @@
 ## CUP Parser Generator for Java v 0.11b
 
 ### CUP Parser Generator License
-<pre>
 
+```
 Copyright 1996-2015 by Scott Hudson, Frank Flannery, C. Scott Ananian, Michael Petter
 
 Permission to use, copy, modify, and distribute this software and its
@@ -20,5 +20,12 @@ any special, indirect or consequential damages or any damages whatsoever
 resulting from loss of use, data or profits, whether in an action of
 contract, negligence or other tortious action, arising out of or in
 connection with the use or performance of this software.
+```
+---
+```
+This is an open source license. It is also GPL-Compatible (see entry for
+"Standard ML of New Jersey"). The portions of CUP output which are hard-coded
+into the CUP source code are (naturally) covered by this same license, as is
+the CUP runtime code linked with the generated parser.
+```
 
-</pre>