.orga directive in combination with constants are shown as errors

[pwolf23]

First of all: Good stuff! I haven't taken an in depth look at the project yet, but it seems to promise so much more compared to ConText.

The problem: I have code like this:

    .define FrameIntrAdr            $0038
    .orga FrameIntrAdr

This is shown as an error in the editor, even though it shouldn't.