Added a class for performing EWTS->Unicode conversions during XSLT

transformations.  I haven't actually used it with Xalan XSLT yet, but
it ought to work if TibetanHTML did (which it must have at one point).

I do have a unit test, but an end-to-end test with Xalan is what we
need.

source/org/thdl/tib/text/ttt/EwtsToUnicodeForXslt.java

@@ -0,0 +1,46 @@
+/*
+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 2005 THDL.
+All Rights Reserved. 
+
+Contributor(s): ______________________________________.
+*/
+
+package org.thdl.tib.text.ttt;
+
+/** A class for use in XSL transformations that converts EWTS
+ *  transliteration to Unicode.  This is intended to be used by Xalan
+ *  XSLT to convert an XML document that uses Wylie into
+ *  HTML/text/whatever that uses Unicode (probably TibetanMachineUni
+ *  font).
+ *  @author David Chandler
+ */
+public class EwtsToUnicodeForXslt {
+    /** Static methods provide all the fun! */
+    private EwtsToUnicodeForXslt() {
+        throw new Error("There's no point in instantiating this class.");
+    }
+
+    /** Converts EWTS transliteration into Tibetan Unicode.
+     *  TODO(dchandler): must we worry about the encoding, UTF-8
+     *  vs. UTF-16LE e.g.? */
+    public static String convertEwtsTo(String ewts) {
+        return TConverter.convertToUnicodeText(EWTSTraits.instance(),
+                                               ewts,
+                                               new StringBuffer(),
+                                               null,
+                                               false,
+                                               "None",
+                                               false);
+    }
+}