Misc. corrections in SignJar.java

PR: 28999
Obtained from: Jesse Glick


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276454 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/SignJar.java

@@ -31,14 +31,11 @@ import org.apache.tools.ant.util.JavaEnvUtils;
 import org.apache.tools.ant.util.FileUtils;
 
 /**
- * Signs jar or zip files with the javasign command line tool. The
+ * Signs JAR or ZIP files with the javasign command line tool. The
  * tool detailed dependency checking: files are only signed if they
  * are not signed. The <tt>signjar</tt> attribute can point to the file to
  * generate; if this file exists then
  * its modification date is used as a cue as to whether to resign any JAR file.
- * <br>
- * <strong>Note:</strong> Requires Java 1.2 or later. </p>
-
  *
  * @since Ant 1.1
  * @ant.task category="java"
@@ -300,7 +297,7 @@ public class SignJar extends Task {
 
         cmd.createArg().setValue(alias);
 
-        log("Signing Jar : " + jarSource.getAbsolutePath());
+        log("Signing JAR: " + jarSource.getAbsolutePath());
         cmd.setFailonerror(true);
         cmd.setTaskName(getTaskName());
         cmd.execute();
@@ -338,7 +335,7 @@ public class SignJar extends Task {
      * test for a file being signed, by looking for a signature in the META-INF
      * directory
      * @param file
-     * @return
+     * @return true if the file is signed
      */
     protected boolean isSigned(File file) {
         final String SIG_START = "META-INF/";