document pathFixed

README.md

@@ -41,6 +41,10 @@ path.closePath();
 
 Constructs a new path serializer that implements [CanvasPathMethods](http://www.w3.org/TR/2dcontext/#canvaspathmethods).
 
+<a name="pathFixed" href="#path">#</a> d3.<b>pathFixed</b>([<i>digits</i>]) · [Source](https://github.com/d3/d3-path/blob/master/src/path.js)<!-- , [Examples](https://observablehq.com/@d3/d3-path) -->
+
+Returns a new path serializer akin to [path](#path), with all numbers rounded to *digits* digits after comma.
+
 <a name="path_moveTo" href="#path_moveTo">#</a> <i>path</i>.<b>moveTo</b>(<i>x</i>, <i>y</i>)
 
 Move to the specified point ⟨*x*, *y*⟩. Equivalent to [*context*.moveTo](http://www.w3.org/TR/2dcontext/#dom-context-2d-moveto) and SVG’s [“moveto” command](http://www.w3.org/TR/SVG/paths.html#PathDataMovetoCommands).