can't reply to asdf list Fwd: Undelivered Mail Returned to Sender

Response from Phoebe Goldman hand-forwarded because of problems with common-lisp.net's email server: A few things. 1. ECHO-OP should not be selfward. SELFWARD-OPERATION is for (OPERATION COMPONENT) pairs which depend on (DIFFERENT-OPERATION COMPONENT) for the same COMPONENT. For example,

Define a Simple Echo-Op

Hi, I'm trying to learn how ASDF object model works by defining a simple operation "echo-op". I want it to print out pathnames of all loaded lisp files to *standard-output*. It sounds like a simple task, but I couldn't get it to work. Thus I'm asking for help here. To do that, I define a