Filter html tags

Author: physikerwelt

mathosphere-core/src/main/java/com/formulasearchengine/mathosphere/mlp/contracts/CreateCandidatesMapper.java

@@ -187,6 +187,11 @@ private boolean isGood(Word in) {
     if (word.length() < 3) {
       return false;
     }
+    if (word.contains("<")) {
+      // remove tags and so
+      //TODO: Make a white-list of allowed chars.
+      return false;
+    }
     // we're only interested in nouns, entities and links
     return posTag.matches("NN[PS]{0,2}|NP\\+?|NN\\+|LNK");