Normalizing PLAI wrt tree

svn: r18104

collects/meta/dist-specs.ss

@@ -655,4 +655,7 @@ mz-extras :+= (- (package: "unstable")
                  ;; obvious that "framework" is only in DrScheme.
                  (cond (not dr) => (collects: "unstable/gui")))
 
+;; -------------------- plai
+plt-extras :+= (package: "plai/")
+
 ;; ============================================================================

collects/plai/info.ss

@@ -1,7 +1,6 @@
 #lang setup/infotab
 (require string-constants)
 
-(define name "PLAI")
 (define blurb '("Language levels for the Programming Languages: Application and Interpretation textbook"))
 (define homepage "http://www.cs.brown.edu/~sk/Publications/Books/ProgLangs/")
 (define primary-file "main.ss")