jboss-messaging-client.jar differ compared between zip and svn

There are diffs in class files.

manifest in the svn jar:

Manifest-Version: 1.0
Ant-Version: Apache Ant 1.7.1
Created-By: 14.1-b02 (Sun Microsystems Inc.)
Class-Path: jboss-aop.jar jboss-remoting.jar javassist.jar trove.jar j
boss-common-core.jar jboss-j2ee.jar jboss-j2se.jar jnp-client.jar con
current.jar log4j.jar commons-logging.jar

manifest in the zip distro
Manifest-Version: 1.0
Specification-Title: JBoss
Class-Path: jboss-aop.jar jboss-remoting.jar javassist.jar trove.jar j
boss-common-core.jar jboss-j2ee.jar jboss-j2se.jar jnp-client.jar con
current.jar log4j.jar commons-logging.jar
Created-By: 1.5.0_22-b03 (Sun Microsystems Inc.)
Ant-Version: Apache Ant 1.7.1
Implementation-Title: JBoss [EAP]
Specification-Version: 5.0.1
Specification-Vendor: JBoss (http://www.jboss.org/)
Implementation-Vendor-Id: http://www.jboss.org/
Implementation-Version: 5.0.1 (build: SVNTag=JBPAPP_5_0_1 date=2010030
50142)
Implementation-Vendor: JBoss Inc.