<img src="https://gravatar.com/avatar/a977f37449ef17ca0dc91a4e36fd894d?d=https%3A%2F%2Fgithub.ugent.be%2Fidenticons%2F202cb962ac59075b964b07152d234b70.png&r=x" align="left" width="96" height="96" hspace="10"></img> **Issue by svlandeg** _Thu Nov 20 11:14:48 2014_ --- Currently, there is no difference between different decrease_XXX differential edges -> define default colors for the most common ones!