REPORT-32986 html大写标签不生效

fine-itext-old/src/main/java/com/fr/third/com/lowagie/text/xml/simpleparser/SimpleXMLParser.java

@@ -506,7 +506,7 @@ public final class SimpleXMLParser {
         if (c == -1) {
             return;
         }
-        if (c == '/' || HTMLWorker.tagsPrefixSupported.containsKey(c)) {
+        if (c == '/' || HTMLWorker.tagsPrefixSupported.containsKey(Character.toLowerCase(c))) {
             if (type == TEXT) {
                 flush();
             }