Define Item#clear() as an alias for Item#removeChildren(), or Path#removeSegments() for paths.

src/item/Item.js

@@ -1956,6 +1956,7 @@ var Item = Base.extend(Callback, /** @lends Item# */{
 	 * Removes all of the item's {@link #children} (if any).
 	 *
 	 * @name Item#removeChildren
+	 * @alias Item#clear
 	 * @function
 	 * @return {Item[]} an array containing the removed items
 	 */
@@ -1985,6 +1986,8 @@ var Item = Base.extend(Callback, /** @lends Item# */{
 		return removed;
 	},
 
+	clear: '#removeChildren',
+
 	/**
 	 * Reverses the order of the item's children
 	 */

src/path/Path.js

@@ -635,6 +635,7 @@ var Path = PathItem.extend(/** @lends Path# */{
 	 * Removes all segments from the path's {@link #segments} array.
 	 *
 	 * @name Path#removeSegments
+	 * @alias Path#clear
 	 * @function
 	 * @return {Segment[]} an array containing the removed segments
 	 */
@@ -707,6 +708,8 @@ var Path = PathItem.extend(/** @lends Path# */{
 		return removed;
 	},
 
+	clear: '#removeSegments',
+
 	/**
 	 * Specifies whether an path is selected and will also return {@code true}
 	 * if the path is partially selected, i.e. one or more of its segments is

src/path/PathItem.js

@@ -108,10 +108,7 @@ var PathItem = Item.extend(/** @lends PathItem# */{
 		}
 
 		// First clear the previous content
-		if (this._type === 'path')
-			this.removeSegments();
-		else
-			this.removeChildren();
+		this.clear();
 
 		for (var i = 0, l = parts.length; i < l; i++) {
 			var part = parts[i],