Concurrency note

Author: jhy

src/main/java/org/jsoup/select/Evaluator.java

@@ -25,6 +25,7 @@
  An Evaluator tests if an element meets the selector's requirements. Obtain an evaluator for a given CSS selector
  with {@link QueryParser#parse}. If you are executing the same selector on many elements (or documents), it
  can be more efficient to compile and reuse an Evaluator than to reparse the selector on each invocation of select().
+ <p>Evaluators are thread-safe and may be used concurrently across multiple documents.</p>
  */
 public abstract class Evaluator {
     protected Evaluator() {