number values are valid in SVG, See #203

Author: ylafon

org/w3c/css/properties/svg/CssStrokeDashoffset.java

@@ -46,8 +46,6 @@ public CssStrokeDashoffset(ApplContext ac, CssExpression expression, boolean che
 
         switch (val.getType()) {
             case CssTypes.CSS_NUMBER:
-                // only 0 can be a length
-                val.getCheckableValue().checkEqualsZero(ac, this);
             case CssTypes.CSS_PERCENTAGE:
             case CssTypes.CSS_LENGTH:
                 value = val;