Minor fixes in comments and tests.

src/dom/DomElement.js

@@ -84,14 +84,14 @@ var DomElement = new function() {
         },
 
         /**
-         * Checks if element is invisibile (display: none, ...).
+         * Checks if element is invisible (display: none, ...).
          */
         isInvisible: function(el) {
             return DomElement.getSize(el).equals(new Size(0, 0));
         },
 
         /**
-         * Checks if element is visibile in current viewport.
+         * Checks if element is visible in current viewport.
          */
         isInView: function(el) {
             // See if the viewport bounds intersect with the windows rectangle

src/style/Color.js

@@ -54,6 +54,8 @@ var Color = Base.extend(new function() {
     var componentParsers = {},
         // Cache and canvas context for color name lookup
         namedColors = {
+            // node-canvas appears to return wrong values for 'transparent'.
+            // Fix it by having it pre-cashed here:
             transparent: [0, 0, 0, 0]
         },
         colorCtx;

test/tests/Color.js

@@ -67,7 +67,7 @@ test('Creating Colors', function() {
             'Color from hex string');
 
     equals(new Color('#FF3300'), new Color(1, 0.2, 0),
-            'Color from hex string');
+            'Color from uppercase hex string');
 
     equals(new Color('#ff000099'), new Color(1, 0, 0, .6),
         'Color from hex code with alpha');