Added Node#remove and Node#replaceWith.

Closes #19

CHANGES

@@ -1,6 +1,9 @@
 jsoup changelog
 
 *** Release 0.3.2 (pending)
+ * Added Node#remove and Node#replaceWith
+ 	<http://github.com/jhy/jsoup/issues/issue/19>
+
  * Allow _ and - in CSS ID selectors (per CSS spec).
  	<http://github.com/jhy/jsoup/issues/issue/10>
 

src/main/java/org/jsoup/nodes/Node.java

@@ -189,6 +189,24 @@ public List<Node> childNodes() {
     public Node parent() {
         return parentNode;
     }
+
+    /**
+     * Remove (delete) this node from the DOM tree. If this node has children, they are also removed.
+     */
+    public void remove() {
+        Validate.notNull(parentNode);
+        parentNode.removeChild(this);
+    }
+
+    /**
+     * Replace this node in the DOM with the supplied node.
+     * @param in the node that will will replace the existing node.
+     */
+    public void replaceWith(Node in) {
+        Validate.notNull(in);
+        Validate.notNull(parentNode);
+        parentNode.replaceChild(this, in);
+    }
 
     protected void setParentNode(Node parentNode) {
         if (this.parentNode != null)

src/test/java/org/jsoup/nodes/NodeTest.java

@@ -37,4 +37,22 @@ public class NodeTest {
         assertEquals("http://jsoup.org/foo", a.attr("abs:href"));
         assertFalse(a.hasAttr("abs:href")); // only realised on the get method, not in has or iterator
     }
+
+    @Test public void testRemove() {
+        Document doc = Jsoup.parse("<p>One <span>two</span> three</p>");
+        Element p = doc.select("p").first();
+        p.childNode(0).remove();
+
+        assertEquals("two three", p.text());
+        assertEquals("<span>two</span> three", p.html());
+    }
+
+    @Test public void testReplace() {
+        Document doc = Jsoup.parse("<p>One <span>two</span> three</p>");
+        Element p = doc.select("p").first();
+        Element insert = doc.createElement("em").text("foo");
+        p.childNode(1).replaceWith(insert);
+
+        assertEquals("One <em>foo</em> three", p.html());
+    }
 }