<project name="main" default="all">
    <taskdef resource="taskdefs.properties"/>
    <hello/>
    <target name="all">
        <echo>Hello</echo>
    </target>
	<target name="all3">
	        <echo>Hello</echo>
	    </target>
	<target name="all4">
	        <echo>Hello</echo>
	    </target>
</project>