LUCENE-10200: Rename pddl-10.txt to reference glove.

gradle/validation/jar-checks.gradle

@@ -45,6 +45,7 @@ def licenseTypes = [
     "MIT"     : [name: "Massachusetts Institute of Tech. License", noticeOptional: true],
     "MPL"     : [name: "Mozilla Public License", noticeOptional: true /* NOT SURE on the required notice */],
     "PD"      : [name: "Public Domain", noticeOptional: true],
+    "PDDL"    : [name: "Public Domain Dedication and License", noticeOptional: true],
     "SUN"     : [name: "Sun Open Source License", noticeOptional: true],
     "COMPOUND": [name: "Compound license (details in NOTICE file)."],
 ]
@@ -311,7 +312,7 @@ configure(project(":lucene")) {
           // Used by Luke.
           "elegant-icon-font-*",
           // glove knn dictionary.
-          "pddl-10.txt",
+          "glove-LICENSE-PDDL.txt",
       ]
     }
 

lucene/demo/src/java/org/apache/lucene/demo/knn/package-info.java

@@ -18,9 +18,8 @@
 /**
  * KnnVector example code.
  *
- * <p>The vector dictionary used in the demo is taken from the GloVe project hosted at
- * https://nlp.stanford.edu/projects/glove, whose data is in the public domain, as described by
- * http://opendatacommons.org/licenses/pddl/1.0, available in the Lucene distribution as
- * lucene/licenses/pddl-10.txt.
+ * <p>The vector dictionary used in the demo is taken from the <a
+ * href="https://nlp.stanford.edu/projects/glove">GloVe</a> project, whose data is in the <a
+ * href="http://opendatacommons.org/licenses/pddl/1.0">public domain</a>.
  */
 package org.apache.lucene.demo.knn;

lucene/licenses/glove-LICENSE-PDDL.txt

@@ -1,3 +1,6 @@
+This license applies to knn-token-vectors resource in Lucene demo.
+https://nlp.stanford.edu/projects/glove
+
 Public Domain Dedication and License (PDDL)