Fix #6 - upgrade to d3-scale 0.7.

README.md

@@ -14,7 +14,7 @@ If you use NPM, `npm install d3-axis`. Otherwise, download the [latest release](
 <script src="https://d3js.org/d3-interpolate.v0.5.min.js"></script>
 <script src="https://d3js.org/d3-time.v0.2.min.js"></script>
 <script src="https://d3js.org/d3-time-format.v0.3.min.js"></script>
-<script src="https://d3js.org/d3-scale.v0.6.min.js"></script>
+<script src="https://d3js.org/d3-scale.v0.7.min.js"></script>
 <script src="https://d3js.org/d3-selection.v0.7.min.js"></script>
 <script src="https://d3js.org/d3-dispatch.v0.4.min.js"></script>
 <script src="https://d3js.org/d3-ease.v0.7.min.js"></script>
@@ -109,6 +109,14 @@ See [d3-format](https://github.com/d3/d3-format) and [d3-time-format](https://gi
 axis.tickFormat(d3.format(",.0f"));
 ```
 
+More commonly, a format specifier is passed to [*axis*.ticks](#axis_ticks):
+
+```js
+axis.ticks(10, ",f");
+```
+
+This has the advantage of setting the format precision automatically based on the tick interval.
+
 <a name="axis_tickSize" href="#axis_tickSize">#</a> <i>axis</i>.<b>tickSize</b>([<i>size</i>])
 
 If *size* is specified, sets the [inner](#axis_tickSizeInner) and [outer](#axis_tickSizeOuter) tick size to the specified value and returns the axis. If *size* is not specified, returns the current inner tick size, which defaults to 6.

package.json

@@ -27,13 +27,13 @@
     "postpublish": "VERSION=`node -e 'console.log(require(\"./package.json\").version)'`; git push && git push --tags && cp build/d3-axis.js ../d3.github.com/d3-axis.v0.3.js && cp build/d3-axis.min.js ../d3.github.com/d3-axis.v0.3.min.js && cd ../d3.github.com && git add d3-axis.v0.3.js d3-axis.v0.3.min.js && git commit -m \"d3-axis ${VERSION}\" && git push && cd - && zip -j build/d3-axis.zip -- LICENSE README.md build/d3-axis.js build/d3-axis.min.js"
   },
   "dependencies": {
-    "d3-scale": "~0.6.0",
+    "d3-scale": "~0.7.0",
     "d3-selection": "~0.7.0",
     "d3-transition": "~0.2.0"
   },
   "devDependencies": {
     "json2module": "0.0",
-    "rollup": "0.25",
+    "rollup": "0.26",
     "tape": "4",
     "uglify-js": "2"
   }