diff -r b188eae2c092 -r 7a2eb4cb6ff1 java/dictionary-generator/src/cz/frantovo/telco/dictionary/MappedNamespaceContext.java
--- a/java/dictionary-generator/src/cz/frantovo/telco/dictionary/MappedNamespaceContext.java	Tue Jul 09 22:42:32 2013 +0200
+++ b/java/dictionary-generator/src/cz/frantovo/telco/dictionary/MappedNamespaceContext.java	Wed Jul 10 01:27:13 2013 +0200
@@ -53,11 +53,8 @@
 		return null;
 	}
 
-	/**
-	 * TODO: support multiple prefixes
-	 */
 	@Override
 	public Iterator getPrefixes(String xmlns) {
-		return new OneItemIterator(getPrefix(xmlns));
+		return getKeysForValue(prefixMap, xmlns).iterator();
 	}
 }
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