o/~ Y muchos maaaaaaas... o/~

tools/dom/templates/html/impl/impl_ClientRect.darttemplate

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of $LIBRARYNAME;
 
 @DocsEditable()
 $(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS implements Rectangle$IMPLEMENTS$NATIVESPEC {
 
   // NOTE! All code below should be common with RectangleBase.
    String toString() {
     return 'Rectangle ($left, $top) $width x $height';
   }
 
   bool operator ==(other) {
     if (other is !Rectangle) return false;
     return left == other.left && top == other.top && width == other.width &&
         height == other.height;
   }
 
   int get hashCode => _JenkinsSmiHash.hash4(left.hashCode, top.hashCode,
       width.hashCode, height.hashCode);
 
   /**
    * Computes the intersection of `this` and [other].
    *
    * The intersection of two axis-aligned rectangles, if any, is always another
    * axis-aligned rectangle.
    *
-   * Returns the intersection of this and `other`, or `null` if they don't
+   * Returns the intersection of this and `other`, or null if they don't
    * intersect.
    */
   Rectangle intersection(Rectangle other) {
     var x0 = max(left, other.left);
     var x1 = min(left + width, other.left + other.width);
 
     if (x0 <= x1) {
       var y0 = max(top, other.top);
       var y1 = min(top + height, other.top + other.height);
 
@@ skipping 86 matching lines @@
     hash = 0x1fffffff & (hash + ((0x03ffffff & hash) <<  3));
     hash = hash ^ (hash >> 11);
     return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
   }
 
   static int hash2(a, b) => finish(combine(combine(0, a), b));
 
   static int hash4(a, b, c, d) =>
       finish(combine(combine(combine(combine(0, a), b), c), d));
 }