I've got too many sandboxes, so I'm committing these changes,

half-done, from one sandbox so as to consolidate my sandboxes.

source/org/thdl/tib/text/tshegbar/TibetanSyntaxException.java

@@ -0,0 +1,51 @@
+/*
+The contents of this file are subject to the THDL Open Community License
+Version 1.0 (the "License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License on the THDL web site 
+(http://www.thdl.org/).
+
+Software distributed under the License is distributed on an "AS IS" basis, 
+WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 
+License for the specific terms governing rights and limitations under the 
+License. 
+
+The Initial Developer of this software is the Tibetan and Himalayan Digital
+Library (THDL). Portions created by the THDL are Copyright 2001-2003 THDL.
+All Rights Reserved. 
+
+Contributor(s): ______________________________________.
+*/
+
+package org.thdl.tib.text.tshegbar;
+
+/** DLC FIXMEDOC: says "this isn't legal Tibetan", not "this isn't a valid sequence of Unicode" */
+class TibetanSyntaxException extends Exception {
+    /** This constructor creates an exception with a less than helpful
+     *  message for the end user.  Please don't use this constructor
+     *  for production code. */
+    TibetanSyntaxException() {
+        super("A Unicode input stream had a syntactically incorrect run of Tibetan.  For example, kha, i.e., U+0F41, is not an allowed prefix.  This run of Tibetan was not expected.");
+        // we can tell it wasn't expected, because this error message
+        // isn't very helpful, and one of the other constructors
+        // should've been used.
+    }
+
+    /** DLC FIXMEDOC */
+    TibetanSyntaxException(String x) {
+        super(x);
+    }
+
+    /** DLC FIXMEDOC
+
+        @param grcls a Vector whose elements x are GraphemeClusters
+        where x is in the range [start, end)
+        @param start grcls.elementAt(start) is the first
+        GraphemeCluster in the syntactically incorrect stretch of
+        Tibetan.
+        @param end grcls.elementAt(end - 1) is the last
+        GraphemeCluster in the syntactically incorrect stretch of
+        Tibetan. */
+    TibetanSyntaxException(Vector grcls, int start, int end) {
+        DLC NOW;
+    }
+}