This version works, except for the annotate macro.

diff --git a/doc/flowchart.pic b/doc/flowchart.pic
index ad7bc986921de10014bcc675d5a1edd9c7a8a207..8d6437f2448441dd03fa5561f08b5511305043d0 100644 (file)
--- a/doc/flowchart.pic
+++ b/doc/flowchart.pic
@@ -83,11 +83,17 @@ define throughbox{[
   line from SW to FRAME.w
 ]}
 
+define connector{
+  circle $1
+}
+
 define label {[
-   FRAME: box invis "$1"
+   FRAME: box invis $1
    line from FRAME.e to FRAME.n
    line from FRAME.w to FRAME.n
    line from FRAME.e to FRAME.s
    line from FRAME.w to FRAME.s
    circle rad 0.2 with .c at FRAME.c
 ]}
+
+define annotate {[$2 at $1.c + (-0.2,0.2)]}