Include comment about methods produced on the fly.

For easier searching.

src/path/Curve.js

@@ -1164,6 +1164,9 @@ new function() { // // Scope to inject various curve evaluation methods
     // the need to create a Curve object first, as required by the code that
     // finds path intersections.
     function(name) {
+        // NOTE: (For easier searching): This loop produces:
+        // getPointAt, getTangentAt, getNormalAt, getWeightedTangentAt,
+        // getWeightedNormalAt, getCurvatureAt
         this[name + 'At'] = function(offset, isParameter) {
             var values = this.getValues();
             return Curve[name](values, isParameter ? offset

src/path/CurveLocation.js

@@ -512,6 +512,9 @@ var CurveLocation = Base.extend(/** @lends CurveLocation# */{
     }
 }, Base.each(Curve.evaluateMethods, function(name) {
     // Produce getters for #getTangent() / #getNormal() / #getCurvature()
+    // NOTE: (For easier searching): This loop produces:
+    // getPointAt, getTangentAt, getNormalAt, getWeightedTangentAt,
+    // getWeightedNormalAt, getCurvatureAt
     var get = name + 'At';
     this[name] = function() {
         var parameter = this.getParameter(),

src/path/Path.js

@@ -1679,6 +1679,9 @@ var Path = PathItem.extend(/** @lends Path# */{
     // TODO: contains(item)
 }, Base.each(Curve.evaluateMethods,
     function(name) {
+        // NOTE: (For easier searching): This loop produces:
+        // getPointAt, getTangentAt, getNormalAt, getWeightedTangentAt,
+        // getWeightedNormalAt, getCurvatureAt
         this[name + 'At'] = function(offset, isParameter) {
             var loc = this.getLocationAt(offset, isParameter);
             return loc && loc[name]();