From 3ba6686fc991998a0a420709dfb0012bbddf77ab Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Tue, 29 Sep 2026 12:21:46 -0700
Subject: Backport lazy memory splits to ch10, split into ch10a and b

---
 chapter10b/docs/example1.gv | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'chapter10b/docs/example1.gv')

diff --git a/chapter10b/docs/example1.gv b/chapter10b/docs/example1.gv
index 2194ae8f..0b0a5feb 100644
--- a/chapter10b/docs/example1.gv
+++ b/chapter10b/docs/example1.gv
@@ -1,11 +1,13 @@
 digraph Memory {
-  rankdir=LR;
+  rankdir=BT;
   node [shape=box];
   M [label="Initial memory"];
   X [label="Store x = 42"];
   Y [label="Loop: Store y"];
-  L [label="Load x -> 42"];
+  L [label="Load x (42)"];
   L -> X -> M [color=blue]; Y -> M [color=green];
   MemMerge -> X [color=blue]; MemMerge -> Y [color=green];
   Return -> MemMerge; Return -> L;
+  { rank=same; MemMerge -> L [style=invis]; }
+  Y -> X [style=invis]; // Layout only: keep the stores in code order.
 }
-- 
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