Use a Base object for PaperScope#settings and update straps.js to version that offers Base#set().

bower.json

@@ -24,7 +24,7 @@
     "test"
   ],
   "devDependencies": {
-    "straps": "~1.5.1",
+    "straps": "~1.5.2",
     "acorn": "git://github.com/paperjs/acorn#0.3.2",
     "esprima": "~1.0.3",
     "stats.js": "r11"

src/core/PaperScope.js

@@ -48,11 +48,11 @@ var PaperScope = Base.extend(/** @lends PaperScope# */{
 		// one.
 		paper = this;
 		// Default configurable settings.
-		this.settings = {
+		this.settings = new Base({
 			applyMatrix: true,
 			handleSize: 4,
 			hitTolerance: 0
-		};
+		});
 		this.project = null;
 		this.projects = [];
 		this.tools = [];

src/path/CurveLocation.js

@@ -87,7 +87,7 @@ var CurveLocation = Base.extend(/** @lends CurveLocation# */{
 	},
 
 	/**
-	 * The curve by which the location is defined.
+	 * The curve that this location belongs to.
 	 *
 	 * @type Curve
 	 * @bean