From e4dc3273f201ae741637b626998637cce973546b Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Fri, 2 Oct 2026 13:04:34 -0700
Subject: First pass README updates

---
 chapter04/docs/projnode.json | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 chapter04/docs/projnode.json

(limited to 'chapter04/docs/projnode.json')

diff --git a/chapter04/docs/projnode.json b/chapter04/docs/projnode.json
new file mode 100644
index 00000000..3d4d20cf
--- /dev/null
+++ b/chapter04/docs/projnode.json
@@ -0,0 +1,14 @@
+{
+  "ver": 1,
+  "comp": "chapter04/docs/projnode.svg",
+  "step": 1,
+  "roots": [],
+  "scope": 0,
+  "nodes": [
+    {"id": 2, "label": "Start", "type": null, "kind": "CTRL", "edges": [], "proj": null},
+    {"id": 4, "label": "$ctrl", "type": null, "kind": "CTRL", "edges": [{"idx": 0, "def": 2, "role": "CTRL", "label": null}], "proj": {"par": 2, "idx": 0}},
+    {"id": 6, "label": "arg", "type": null, "kind": "DATA", "edges": [{"idx": 0, "def": 2, "role": "DATA", "label": null}], "proj": {"par": 2, "idx": 1}}
+  ],
+  "groups": [
+  ]
+}
-- 
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