Updated "windowsize" documentation; it didn't mention arbitrary sizes!

docs/OPTIONS.txt

@@ -9,7 +9,7 @@
                            bill@newbreedsoftware.com
                             http://www.tuxpaint.org/
 
-                                 April 24, 2007
+                                 April 25, 2007
 
    --------------------------------------------------------------------------
 
@@ -72,14 +72,21 @@ Windows Users
              Run the program in full screen mode, rather than in a window.
 
      windowsize=SIZE
-             Run the program at a higher resolution, rather than the default
+
-             of 640x480. The SIZE value may be one of:
+             Run the program at a different size (in windowed mode) or at a
+             different screen resolution (in fullscreen mode), rather than
+             the default (usually 800x600).
+
+             The SIZE value should be presented in pixels, in
+             'width-by-height' format, with an "x" (lowercase X) between the
+             values. The size can be anything that's at least 640 wide, and
+             at least 480 tall.
+
+             Some examples:
 
                 * 640x480
-                * 800x600
                 * 1024x768
-                * 1280x1024
+                * 768x1024
-                * 1400x1050
                 * 1600x1200
 
      nosound=yes

docs/html/OPTIONS.html

@@ -22,7 +22,7 @@ New Breed Software</p>
 <p><a href="mailto:bill@newbreedsoftware.com">bill@newbreedsoftware.com</a><br>
 <a href="http://www.tuxpaint.org/">http://www.tuxpaint.org/</a></p>
 
-<p>April 24, 2007</p>
+<p>April 25, 2007</p>
 </center>
 
 <hr size=2 noshade>
@@ -104,16 +104,22 @@ New Breed Software</p>
 
   <dt><code><b>windowsize=<i>SIZE</i></b></code></dt>
   <dd>
-    Run the program at a higher resolution, rather than the default of 640x480.
+    <p>Run the program at a different size (in windowed mode) or
-    The <i>SIZE</i> value may be one of:
+    at a different screen resolution (in fullscreen mode), rather than the
+    default (usually 800x600).</p>
+
+    <p>The <i>SIZE</i> value should be presented in pixels, in 'width-by-height'
+    format, with an "x" (lowercase&nbsp;X) between the values. The size can
+    be anything that's at least 640 wide, and at least 480 tall.</p>
+
+    <p>Some examples:
     <ul>
     <li>640x480
-    <li>800x600
     <li>1024x768
-    <li>1280x1024
+    <li>768x1024
-    <li>1400x1050
     <li>1600x1200
     </ul>
+    </p>
   </dd>
 
   <dt><code><b>nosound=yes</b></code></dt>