Minor edits.

GraphDraw_Nu/nu/main.nu

@@ -32,7 +32,7 @@
 
      (- (id) init is
         (super init)
-		;; Set the global variable $graph to give easy access to the graph.
+        ;; Set the global variable $graph to give easy access to the graph.
         (set $graph self)
         (set @nodes (array))
         (set @edges (array))
@@ -52,7 +52,7 @@
      (- (id) initWithFrame: (NSRect) frameRect is
         (set self (super initWithFrame:frameRect))
         (if (self)
-			;; Set the global variable $view to give easy access to the view.
+            ;; Set the global variable $view to give easy access to the view.
             (set $view self)
             (set @backgroundColor (NSColor darkGrayColor))
             (set @nodeColor (NSColor redColor))
@@ -65,8 +65,8 @@
                        (+ (b second) (/ (b fourth) 2.0)))))
         self)
 
-	;; The following methods are here so the user can change aspects of
-	;; the graph from the console or script.
+     ;; The following methods are here so the user can change aspects of
+     ;; the graph from the console or script.
      (- (void) setGraph: (id) g is
         (set @graph g)
         (self setNeedsDisplay:YES))

README

@@ -1,18 +1,20 @@
 NuGraphDraw
 
+Jonathan Yedidia, May 31, 2008.
+
 This project is a port from PyObjC to Nu, with enhancements, of Aaron Hillegass' 
 "GraphLaughs" application. 
 
-Pre-requisites are Mac OS X Leopard and the Nu programming language, available
-at http://programming.nu. Build this application in XCode.
+Pre-requisites are Mac OS X Leopard and the Nu programming language, developed by
+Tim Burks and available at http://programming.nu. Build this application in XCode.
 
 "GraphLaughs" was described in the June 8, 2006 post of the Big Nerd Ranch weblog
 at http://weblog.bignerdranch.com.
 
 This type of application shows off some of the advantages of a dynamic language like Nu.
 One can let the user extend the application at run-time with his own scripts.
 
-Aaron writes that "The Python bridge (PyObjC) is still a bit mysterious to me, 
+Aaron wrote that "The Python bridge (PyObjC) is still a bit mysterious to me, 
 but I can see that they have done a great job leveraging the dynamic nature of 
 both languages to make it easy to work with."
 
@@ -44,5 +46,18 @@ backgroundColor: (NSColor darkGrayColor)
 edgeWidth: 0.9
 nodeSize: 6
 
+If you are interested in seeing more Cocoa applications written in Nu, go the
+the git repository at
+git://github.com/timburks/cocoa-programming-with-nu.git, or look at other examples
+posted by Tim Burks at github.com or the examples that come bundled with Nu.
+
+
 TODO:
-Parens-matching in the scriptTextView.
+Parens-matching in the scriptTextView.
+Better descriptions of script errors.
+
+If you are interested in fixing these problems, fork the repository, then fix
+them, and send me a pull request.
+
+Jonathan Yedidia
+