diff --git a/processing/app/PdeRuntime.java b/processing/app/PdeRuntime.java
index 16edd8c57..4cb0e54e9 100644
--- a/processing/app/PdeRuntime.java
+++ b/processing/app/PdeRuntime.java
@@ -123,6 +123,8 @@ public class PdeRuntime implements PdeMessageConsumer {
         processInput = new SystemOutSiphon(process.getInputStream());
         processError = new PdeMessageSiphon(process.getErrorStream(), this);
         processOutput = process.getOutputStream();
+        //processOutput.write(' ');
+        //processOutput.flush();
 
       } else {  // !externalRuntime
         //Class c = Class.forName(className);
@@ -331,15 +333,18 @@ public class PdeRuntime implements PdeMessageConsumer {
       //System.out.println("killing external process");
 
       try {
-        //System.out.println("writing to stop process");
+        System.out.println("writing to stop process");
         processOutput.write('s');
+        System.out.println("written");
         processOutput.flush();
+        System.out.println("flushing");
 
       } catch (IOException e) {
         //System.err.println("error stopping external applet");
         //e.printStackTrace();
         close();
       }
+      System.out.println("out");
     }
   }
 
diff --git a/processing/core/PApplet.java b/processing/core/PApplet.java
index 243a3f182..b3171ac3d 100644
--- a/processing/core/PApplet.java
+++ b/processing/core/PApplet.java
@@ -3938,15 +3938,21 @@ public class PApplet extends Applet
 
     Thread ethread = new Thread() {  //new Runnable() {
         public void run() {
+          setPriority(Thread.MIN_PRIORITY);
 
           while ((Thread.currentThread() == this) && !finished) {
             try {
               // is this what's causing all the trouble?
               int anything = System.in.read();
               if (anything == EXTERNAL_STOP) {
+                //System.out.println("********** STOPPING");
+
+                // adding this for 0073.. need to stop libraries
+                // when the stop button is hit.
+                PApplet.this.stop();
+
+                //System.out.println("********** REALLY");
                 finished = true;
-                //stop();
-                //thread = null;  // kill self
               }
             } catch (IOException e) {
               // not tested (needed?) but seems correct
diff --git a/processing/core/todo.txt b/processing/core/todo.txt
index 9b9592d9b..b9fb75077 100644
--- a/processing/core/todo.txt
+++ b/processing/core/todo.txt
@@ -11,28 +11,40 @@ X add TRIANGLE_FAN
 X eyeX, eyeY etc have been renamed cameraX/Y/Z, and cameraNear/Far
 X modify targa and tiff writing routines to break into header writing
 X   writeTIFF, writeHeaderTIFF, writeTGA, writeHeaderTGA
+X use TEXT_ANTIALIAS instead of ANTIALIAS on font editor
 
+opengl
+_ why is the thing hanging until 'stop' is hit?
+_   what happens when stop is hit that sets it free?
+_   (at what point does it start working properly?)
+_ debug why certain spots are having errors (see 'problem here' notes)
+_ resolve ARGB versus RGBA versus just A issues for fonts
+_   make sure that current scenario works identically on mac
+_   if so, just switch the image code to expect alpha in the high bits
+_   fonts probably need to be RGBA, not ALPHA style images
+_   there's nothing really ALPHA about them?
 _ remove need to use depth() at the beginning
 _ and cameraMode(PERSPECTIVE) on each frame
+_   why is the first one failing?
 _ reverse y coordinates
 _ minimum texture size may be 64x64
+_   might need to enforce it as a minimum
+X cache needs to also make things a power of 2
+X   if images are already a power of 2, then needn't re-alloc
+X cacheIndex needs to be set to -1 when the image is modified
+X   or maybe have a modified() function?
 
 _ implement size(0, 0) -> just doesn't bother doing a frame.show();
 _ implement fullscreen().. this takes over the screen as best it can
 _   really more like present mode.. 
 _   that if applet is 500x500, centers on a 800x600 window
 
-opengl
-_ cache needs to also make things a power of 2
-_   if images are already a power of 2, then needn't re-alloc
-_   warn people that they should make images be a pow of 2
-_ cacheIndex needs to be set to -1 when the image is modified
-_   or maybe have a modified() function?
+opengl documentation
 _ lights cannot be enabled/disabled throughout 
 _   lighting will be based on what's left at endFrame()
+_ images should be a power of 2, or call modified()
+
 
-_ fonts probably need to be RGBA, not ALPHA style images
-_   there's nothing really ALPHA about them?
 _ also when drawing an image, sense whether drawn rotated
 _   if just rotate/translate, then can use SCREEN_SPACE for fonts
 _ bring screen space and font size settings back in to PGraphics