From the O'Reilly book "Android Application Development " by Rick Rogers, John Lombardo, Zigurd Mednieks & Blake Meike:
page 44:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.microjobsinc.mjandroid" android:versionCode="1"
android:versionName="1.0">
The XML code above has the package attribute. When examining the rest of the XML the remaining attributes all have a namespace. Why do all of the other attributes have a namespace except package?