Merge branch '2.5.0'

.gitignore

@@ -1,2 +1,3 @@
 _site
 node_modules
+.DS_Store

Makefile

@@ -48,6 +48,8 @@ d3.core.js: \
 	src/core/median.js \
 	src/core/min.js \
 	src/core/max.js \
+	src/core/extent.js \
+	src/core/random.js \
 	src/core/number.js \
 	src/core/sum.js \
 	src/core/quantile.js \
@@ -118,6 +120,7 @@ d3.core.js: \
 	src/core/transition-each.js \
 	src/core/transition-transition.js \
 	src/core/timer.js \
+	src/core/transform.js \
 	src/core/noop.js
 
 d3.scale.js: \
@@ -147,7 +150,8 @@ d3.svg.js: \
 	src/svg/mouse.js \
 	src/svg/touches.js \
 	src/svg/symbol.js \
-	src/svg/axis.js
+	src/svg/axis.js \
+	src/svg/brush.js
 
 d3.behavior.js: \
 	src/behavior/behavior.js \

d3.geom.js

@@ -268,14 +268,24 @@ function d3_geom_polygonIntersect(c, d, a, b) {
 // http://blog.thejit.org/assets/voronoijs/voronoi.js
 // See lib/jit/LICENSE for details.
 
+// Notes:
+//
+// This implementation does not clip the returned polygons, so if you want to
+// clip them to a particular shape you will need to do that either in SVG or by
+// post-processing with d3.geom.polygon's clip method.
+//
+// If any vertices are coincident or have NaN positions, the behavior of this
+// method is undefined. Most likely invalid polygons will be returned. You
+// should filter invalid points, and consolidate coincident points, before
+// computing the tessellation.
+
 /**
  * @param vertices [[x1, y1], [x2, y2], …]
  * @returns polygons [[[x1, y1], [x2, y2], …], …]
  */
 d3.geom.voronoi = function(vertices) {
   var polygons = vertices.map(function() { return []; });
 
-  // Note: we expect the caller to clip the polygons, if needed.
   d3_voronoi_tessellate(vertices, function(e) {
     var s1,
         s2,