ss=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxDefaultToolbar.prototype.spacing</td></tr></table></blockquote>Defines the spacing between existing and new vertices in gridSize units when a new vertex is dropped on an existing cell. </div></div><div class=CToolTip id="tt8"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxDefaultToolbar.