From 838ee6a024215808b7be3ef9534a4a63b42687ec Mon Sep 17 00:00:00 2001
From: wout <wout@impinc.co.uk>
Date: Tue, 17 Jun 2014 21:58:24 +0200
Subject: Updated REAMDE

---
 README.md | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/README.md b/README.md
index 438d2d8..a6546c7 100755
--- a/README.md
+++ b/README.md
@@ -725,6 +725,21 @@ __`returns`: `SVG.Use`__
 
 _Javascript inheritance stack: `SVG.Use` < `SVG.Shape` < `SVG.Element`_
 
+## Symbol
+Not unlike the `group` element, the `symbol` element is a container element. The only difference between symbols and groups is that symbols are not rendered. Therefore a `symbol` element is ideal in combination with the `use` element:
+
+
+```javascript
+var symbol = draw.symbol()
+symbol.rect(100, 100).fill('#f09')
+
+var use  = draw.use(symbol).move(200, 200)
+```
+
+__`returns`: `SVG.Symbol`__
+
+_Javascript inheritance stack: `SVG.Use` < `SVG.Container` < `SVG.Symbol`_
+
 
 ## Referencing elements
 
@@ -2409,6 +2424,7 @@ Finally, to get a marker instance from the target element reference:
 path.reference('marker-end')
 ```
 
+
 ### ref()
 By default the `refX` and `refY` attributes of a marker are set to respectively half the `width` nd `height` values. To define the `refX` and `refY` of a marker differently:
 
@@ -2416,6 +2432,8 @@ By default the `refX` and `refY` attributes of a marker are set to respectively
 marker.ref(2, 7)
 ```
 
+__`returns`: `itself`__
+
 ### update()
 Updating the contents of a marker will `clear()` the existing content and add the content defined in the block passed as the first argument:
 
@@ -2425,6 +2443,8 @@ marker.update(function(add) {
 })
 ```
 
+__`returns`: `itself`__
+
 ### width()
 Defines the `markerWidth` attribute:
 
@@ -2432,6 +2452,8 @@ Defines the `markerWidth` attribute:
 marker.width(10)
 ```
 
+__`returns`: `itself`__
+
 ### height()
 Defines the `markerHeight` attribute:
 
@@ -2439,6 +2461,8 @@ Defines the `markerHeight` attribute:
 marker.height(10)
 ```
 
+__`returns`: `itself`__
+
 ### size()
 Defines the `markerWidth` and `markerHeight` attributes:
 
@@ -2446,6 +2470,8 @@ Defines the `markerWidth` and `markerHeight` attributes:
 marker.size(10, 10)
 ```
 
+__`returns`: `itself`__
+
 
 ## Data
 
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