What the hey - ANT classpath element?

I've fallen into this trap before. A book I have (java development with ANT) AND the ant manual itself reference a type called "classpath". See here:
http://ant.apache.org/manual/using.html#path
When used however, ant dies with an error stating that the "classpath" type does not exist. And with good reason: looking at the ANT source code I cannot find this type anywhere!
What gives? Was it removed starting from some version? I know you can just replace "classpath" with "path" and it wil work :s

I'll try the classpath subtype just in case I missed
that by mistake, but the ANT source code alone does
not contain a classpath type anywhere that I can findI'm still confused by what you mean by "type" and "subtype".
Ant defines tasks, which appear in the buildfile as children of the <project> element. Each task has a type that implements it, derived from org.apache.tools.ant.Task. A task definition provides setters for each of its attributes, and these may be invoked either in response to attributes in the task's element, or from child elements.
A "type" as referenced by http://ant.apache.org/manual/conceptstypeslist.html is a bit misleading. As Ant processes the buildfile, it will attempt to convert task attributes so that they can be passed to the appropriate setters. This is described in http://ant.apache.org/manual/develop.html#writingowntask along with the allowable conversions.
As to "classpath": if you look at the javadoc for org.apache.tools.ant.taskdefs.Java, you'll see a method setClasspath(Path s). As Ant scans the buildfile, it will look for an attribute or child element with the name "classpath", then attempt to apply a conversion that will allow it to call that setter method.
Again, what is it that you're trying to do? Asking that question will probably get you better results than questions about Ant's implementation.

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