Add module-info and remove automatic module name from manifest

api/pom.xml

@@ -199,9 +199,6 @@
                 <configuration>
                     <archive>
                         <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
-                        <manifestEntries>
-                            <Automatic-Module-Name>jakarta.el</Automatic-Module-Name>
-                        </manifestEntries>
                     </archive>
                     <excludes>
                         <exclude>**/*.java</exclude>

api/src/main/java/module-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2021 Contributors to the Eclipse Foundation
+ * 
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+module jakarta.el {
+    exports jakarta.el;
+
+    requires transitive java.desktop;
+}

spec/src/main/asciidoc/ELSpec.adoc

@@ -3011,6 +3011,8 @@ This appendix is non-normative.
 * https://github.com/eclipse-ee4j/el-ri/issues/172[#172]
   Add support for coercing arrays.
 
+* Add a JPMS module descriptor that defines the module name as `jakarta.el`.
+
 === Changes between 4.0 and JSR 341
 
 * The API has moved from the `javax.el` package to the `jakarta.el`