Index: tests/exceptions/cor_resumer.cfa
===================================================================
--- tests/exceptions/cor_resumer.cfa	(revision c3e510b1da16c821b3fdca7930f911d1a03714ab)
+++ tests/exceptions/cor_resumer.cfa	(revision 27f2befd47811f0de1bc323785ba5da8367ff921)
@@ -7,7 +7,10 @@
 vtable(unwind) unwind_vt;
 
+
 coroutine Node { int cnt;  unwind except; };
 void ?{}( Node & this, int cnt ) { this.cnt = cnt; }
 
+// builds a list of Node coroutines linked by their last resumer field
+// the (num_links + 1)th node then triggers unwinding of the list by throwing resumtions at the last resumer
 void main( Node & this ) with( this ) {
     sout | cnt;