Added "--nobuttondistinction" option to return Tux Paint to pre-0.9.15

behavior regarding middle and right mouse clicks.

docs/CHANGES.txt

@@ -7,7 +7,7 @@ bill@newbreedsoftware.com
 http://www.newbreedsoftware.com/tuxpaint/
 
 
-2005.January.12 (0.9.15)
+2005.January.16 (0.9.15)
   * Stamp tool improvements:
     ------------------------
     * Greatly improved stamp outlining (to avoid empty rows or columns
@@ -103,6 +103,10 @@ http://www.newbreedsoftware.com/tuxpaint/
     * Middle and right mouse buttons no longer do anything.
       (No reason to teach kids that all the buttons do the same thing!)
 
+      Note: This can be disabled (resulting in the old-style support for
+      all three buttons meaning the same thing) by setting the
+      "--nobuttondistinction" option.
+
     * If middle or right mouse buttons are clicked too much, a pop-up
       appears explaining to click the left button, and includes a small
       picture of a mouse with the left button being 'clicked.'

docs/OPTIONS.txt

@@ -9,7 +9,7 @@
                            bill@newbreedsoftware.com
                    http://www.newbreedsoftware.com/tuxpaint/
 
-                                January 9, 2005
+                                January 16, 2005
 
    ---------------------------------------------------------------------------
 
@@ -166,6 +166,18 @@ Windows Users
              (Normally, the wheel will scroll the selector menu on the
              right.)
 
+     nobuttondistinction=yes
+
+             Prior to Tux Paint 0.9.15, the middle and right buttons on a
+             mouse could also be used for clicking. In version 0.9.15, it was
+             changed so that only the left mouse button worked, so as to not
+             train children to use the wrong button.
+
+             However, for children who have trouble with the mouse, this
+             distinction between the two or three buttons on a mouse can be
+             disabled (returning Tux Paint to its old behavior) by using this
+             option.
+
      nofancycursors=yes
 
              This disables the fancy mouse pointer shapes in Tux Paint, and
@@ -407,6 +419,7 @@ Windows Users
        --grab
        --noshortcuts
        --nowheelmouse
+       --nobuttondistinction
        --nofancycursors
        --nooutlines
        --nostamps
@@ -436,6 +449,7 @@ Windows Users
        --dontgrab
        --shortcuts
        --wheelmouse
+       --buttondistinction
        --fancycursors
        --outlines
        --stamps

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.newbreedsoftware.com/tuxpaint/">http://www.newbreedsoftware.com/tuxpaint/</a></p>
 
-<p>January 9, 2005</p>
+<p>January 16, 2005</p>
 </center>
 
 <hr size=2 noshade>
@@ -218,6 +218,18 @@ New Breed Software</p>
     (Normally, the wheel will scroll the selector menu on the right.)
   </dd>
 
+  <dt><code><b>nobuttondistinction=yes</b></code></dt>
+  <dd>
+    <p>Prior to Tux&nbsp;Paint 0.9.15, the middle and right buttons on
+    a mouse could also be used for clicking.  In version 0.9.15, it was changed
+    so that <i>only</i> the left mouse button worked, so as to not train
+    children to use the wrong button.</p>
+
+    <p>However, for children who have trouble with the mouse, this distinction
+    between the two or three buttons on a mouse can be disabled (returning
+    Tux&nbsp;Paint to its old behavior) by using this option.</p>
+  </dd>
+
   <dt><code><b>nofancycursors=yes</b></code></dt>
   <dd>
     <p>This disables the fancy mouse pointer shapes in Tux&nbsp;Paint,
@@ -644,6 +656,7 @@ New Breed Software</p>
     --grab<br>
     --noshortcuts<br>
     --nowheelmouse<br>
+    --nobuttondistinction<br>
     --nofancycursors<br>
     --nooutlines<br>
     --nostamps<br>
@@ -676,6 +689,7 @@ New Breed Software</p>
     --dontgrab<br>
     --shortcuts<br>
     --wheelmouse<br>
+    --buttondistinction<br>
     --fancycursors<br>
     --outlines<br>
     --stamps<br>