Index: data.html
===================================================================
--- data.html	(revision 20858)
+++ data.html	(revision 20859)
@@ -138,7 +138,7 @@
 Relevant structs, variables and functions are in layer.[ch].
 
 <h2> map </h2>
-<img src="data1.png">
+<img src="data1.svg">
 
 
 <h2> tree </h2>