update home page navigation

links to 1.19.0 javadocs
links to JTS blog posts

index.html

@@ -21,7 +21,7 @@
       such as geographical information systems. It can also be used as a
       general-purpose library providing algorithms in computational geometry.
       <h1>License</h1>
-      JTS is open source software. It is dual-licensed under:
+      JTS Topology Suite is open-source software. It is dual-licensed under:
       <ul>
         <li><a href="https://www.eclipse.org/legal/epl-v20.html" target="license">Eclipse
             Public License 2.0</a></li>
@@ -31,7 +31,12 @@ <h1>License</h1>
       <h1>Documentation</h1>
       <ul>
         <li><a href="jts-features.html">Feature Sheet</a></li>
-        <li>Javadoc for JTS 1.19.0 (<a href="javadoc/index.html" target="javadoc">jts-core</a> | <a href="javadoc-io/index.html" target="javadoc">jts-io-common</a>)</li>
+        <li>Javadoc for JTS 1.20.0 (
+            <a href="javadoc/index.html" target="javadoc">jts-core</a> |
+            <a href="javadoc-io/index.html" target="javadoc">jts-io-common</a>)</li>
+        <li>Javadoc for JTS 1.19.0 (
+            <a href="javadoc/index.html" target="javadoc-1.19.0/index.html">jts-core</a> |
+            <a href="javadoc-io-1.19.0/index.html" target="javadoc">jts-io-common</a>)</li>
         <li>Javadoc for JTS 1.18.0 (<a href="javadoc-1.18.0/index.html" target="javadoc">jts-core</a>)</li>
         <li>Javadoc for JTS 1.17.0 (<a href="javadoc-1.17.0/index.html" target="javadoc">jts-core</a>)</li>
         <li><a href="jts-faq.html">Frequently Asked Questions (FAQ)</a></li>
@@ -44,6 +49,7 @@ <h1>Resources</h1>
             Code Repository</a></li>
         <li><a href="https://locationtech.org/mailman/listinfo/jts-dev" target="list">Mailing
             List</a></li>
+        <li><a href="https://lin-ear-th-inking.blogspot.com/search/label/jts">JTS blog posts (Lin.ear th.inking)</a>
       </ul>
     </div>
   </body>