tree: Add comment on #65 fix

Author: julienschmidt

tree.go

@@ -118,6 +118,7 @@ func (n *node) addRoute(path string, handle Handle) {
 				}
 
 				n.children = []*node{&child}
+				// []byte for proper unicode char conversion, see #65
 				n.indices = string([]byte{n.path[i]})
 				n.path = path[:i]
 				n.handle = nil
@@ -169,6 +170,7 @@ func (n *node) addRoute(path string, handle Handle) {
 
 				// Otherwise insert it
 				if c != ':' && c != '*' {
+					// []byte for proper unicode char conversion, see #65
 					n.indices += string([]byte{c})
 					child := &node{
 						maxParams: numParams,