From 22df891893d30e9906d0b14fc3ae5d8e67d500b2 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Sat, 3 Oct 2026 14:03:48 -0700
Subject: Chapter renumber, and split ch 17

Renumber chapters 10a, 10b, 11, 12, 13, 14 -> 10, 11, 13, 12, [11,14].
Split ch 17 into a 17a and 17b; shuffle around im/mutable syntax to be consistent, and present it more slowly.
THe new immutable syntax is pushed through all later chapters
---
 chapter11/docs/graph2.svg | 123 ----------------------------------------------
 1 file changed, 123 deletions(-)
 delete mode 100644 chapter11/docs/graph2.svg

(limited to 'chapter11/docs/graph2.svg')

diff --git a/chapter11/docs/graph2.svg b/chapter11/docs/graph2.svg
deleted file mode 100644
index 05210749..00000000
--- a/chapter11/docs/graph2.svg
+++ /dev/null
@@ -1,123 +0,0 @@
-<svg aria-label="Compiler graph" width="565" height="766" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 565 766" style="font-family: sans-serif;"><style>
-    html, body { height:100%; margin:0; font-family:sans-serif; }
-    .viewer { height:100%; display:grid; grid-template-rows:auto minmax(0,1fr) auto; }
-    .source { padding:8px; border-bottom:1px solid #ccc; }
-    #program { width:min(600px,80vw); vertical-align:middle; }
-    #status { margin-top:4px; }
-    #graph { min-height:0; overflow:hidden; position:relative; background:#fafbfc; }
-    #elk { width:100%; height:100%; }
-    #graph svg { display:block; }
-    .tools { display:flex; flex-wrap:wrap; align-items:center; gap:14px; margin-top:8px; font-size:12px; }
-    .hint { color:#616c78; }
-    .ctrl { color:#b63838; } .mem { color:#2867b2; } .data { color:#536477; }
-    .edge { fill:none; stroke-width:1.5; }
-    .edge.CTRL { stroke-width:2; }
-    .edge.ASSOC { stroke-dasharray:4 4; }
-    .edge.PARSER { stroke-dasharray:5 4; }
-    .parser rect { fill:#f6f0ff; stroke:#7956a5; stroke-width:1.5; stroke-dasharray:5 4; }
-    .edge.selected { stroke-width:3.5; }
-    .edge.bundle { stroke-width:4; }
-    .edge.bundle.selected { stroke-width:6; }
-    .edge-hit { fill:none; stroke:transparent; stroke-width:12; vector-effect:non-scaling-stroke; pointer-events:stroke; cursor:pointer; }
-    .edge-jump { fill:transparent; pointer-events:all; cursor:pointer; }
-    .node { cursor:pointer; }
-    .box { stroke:#758191; stroke-width:1; }
-    .node.held .box { stroke-dasharray:5 3; }
-    .node.near .box { stroke:#c18221; stroke-width:2; }
-    .node.focus .box { stroke:#9c4900; stroke-width:3; }
-    .node.selected .box { stroke:#1569b9; stroke-width:3; }
-    .node.folded .box { stroke-width:4; }
-    .node.folding .box { fill:#f4ccd7; }
-    .fold-tag { font-size:9px; font-weight:700; fill:#963751; }
-    .peep-area { fill:#fff3d9; fill-opacity:.8; stroke:#c18221; stroke-width:2; pointer-events:none; }
-    .node.peep-edit .box { stroke:#9c4900; stroke-width:3; }
-    .node.error .box { stroke:#b42318; stroke-width:4; }
-    #event.error { color:#b42318; font-weight:600; white-space:pre-wrap; overflow-wrap:anywhere; }
-    .peep-ghosts { pointer-events:none; }
-    .region-box { stroke:#9da9b8; stroke-width:1.5; }
-    .fold-btn { cursor:pointer; }
-    .fold-btn rect { fill:white; stroke:#596674; }
-    .fold-btn text { font-size:14px; fill:#152330; }
-    .fold-btn:focus rect { stroke:#1569b9; stroke-width:2; }
-    .shortcut { cursor:pointer; }
-    .shortcut path { fill:none; stroke-width:1.5; }
-    .shortcut rect { fill:#fff8ec; stroke:#b63838; stroke-dasharray:3 2; }
-    .shortcut text { font-size:11px; fill:#783030; }
-    .shortcut.selected rect, .shortcut:focus rect { stroke-width:2.5; }
-    .label { font-size:12px; fill:#152330; font-weight:600; }
-    .node-id { font-size:10px; fill:#596674; font-weight:400; }
-    .type { font-size:11px; fill:#455768; }
-    .port { stroke:#536477; stroke-width:1; }
-    .row { stroke:#b6afcf; stroke-width:1; }
-    .bind { font-size:12px; fill:#152330; }
-    .slot { font-size:10px; fill:#364352; paint-order:stroke; stroke:#fafbfc; stroke-width:3; }
-    #detail { position:absolute; top:8px; right:8px; margin:0; padding:12px; max-width:320px;
-      max-height:45%; overflow:auto; white-space:pre-wrap; overflow-wrap:anywhere;
-      background:#fffffff2; border:1px solid #bac5d0; border-radius:4px; font-size:12px; }
-    .controls { display:flex; flex-wrap:wrap; justify-content:center; align-items:center; gap:6px; padding:6px; }
-    .button { color:white; background:black; font-size:20px; min-width:30px; }
-    .button:disabled { background:grey; }
-    .count { font-size:20px; min-width:35px; text-align:center; }
-    #N { width:6ch; }
-    #scrub { width:clamp(120px,35vw,600px); }
-  </style><defs><marker id="arrow-CTRL" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#b63838"/></marker><marker id="arrow-DATA" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#536477"/></marker><marker id="arrow-MEM" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#2867b2"/></marker><marker id="arrow-ASSOC" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#9396a3"/></marker><marker id="arrow-PARSER" viewBox="0 -4 8 8" refX="8" refY="0" markerWidth="7" markerHeight="7" orient="auto-start-reverse"><path d="M0,-4L8,0L0,4Z" fill="#7956a5"/></marker></defs><rect width="100%" height="100%" fill="rgb(250, 251, 252)"/><g><g class="regions" style="opacity: 1;"/><rect class="peep-area" rx="36" style="opacity: 0;"/><g class="edges"><path class="edge MEM" id="e1i1" d="M84,118 L84,536 Q84,544 92,544 L137,544 Q145,544 145,552 L145,582" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#1[1] → #6 · MEM</title></path><path class="edge MEM" id="e1i2" d="M175,534 L175,582" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#1[2] → #224 · MEM</title></path><path class="edge MEM" id="e12i1" d="M84,118 L84,130 Q84,138 92,138 L146,138 Q154,138 154,146 L154,166" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#12[1] → #6 · MEM</title></path><path class="edge DATA" id="e12i2" d="M242,118 L242,123 Q242,128 237,128 L186,128 Q178,128 178,136 L178,166" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#12[2] → #9 · DATA</title></path><path class="edge DATA" id="e12i3" d="M394,118 L394,130 Q394,138 386,138 L210,138 Q202,138 202,146 L202,166" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#12[3] → #11 · DATA</title></path><path class="edge MEM" id="e14i1" d="M166,222 L166,227 Q166,232 171,232 L298,232 Q306,232 306,240 L306,270" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#14[1] → #12 · MEM</title></path><path class="edge DATA" id="e14i2" d="M318,222 L318,227 Q318,232 323,232 L324,232 Q330,232 330,238 L330,270" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[2] → #13 · DATA</title></path><path class="edge DATA" id="e14i3" d="M470,222 L470,227 Q470,232 465,232 L362,232 Q354,232 354,240 L354,270" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[3] → #4 · DATA</title></path><path class="edge MEM" id="e16i1" d="M318,326 L318,374" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#16[1] → #14 · MEM</title></path><path class="edge DATA" id="e16i2" d="M242,118 L242,123 Q242,128 247,128 L532,128 Q540,128 540,136 L540,328 Q540,336 532,336 L356,336 Q348,336 348,344 L348,374" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#16[2] → #9 · DATA</title></path><path class="edge MEM" id="e22i1" d="M318,326 L318,338 Q318,346 310,346 L151,346 Q143,346 143,354 L143,374" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#22[1] → #14 · MEM</title></path><path class="edge DATA" id="e22i2" d="M242,118 L242,123 Q242,128 237,128 L103,128 Q95,128 95,136 L95,348 Q95,356 103,356 L159,356 Q167,356 167,364 L167,374" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#22[2] → #9 · DATA</title></path><path class="edge DATA" id="e22i3" d="M166,326 L166,331 Q166,336 171,336 L183,336 Q191,336 191,344 L191,374" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#22[3] → #21 · DATA</title></path><path class="edge MEM" id="e25i1" d="M145,638 L145,643 Q145,648 150,648 L280,648 Q288,648 288,656 L288,686" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#25[1] → #1 · MEM</title></path><path class="edge DATA" id="e25i2" d="M318,430 L318,686" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#25[2] → #16 · DATA</title></path><path class="edge MEM" id="e224i1" d="M155,430 L155,478" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#224[1] → #22 · MEM</title></path><path class="edge MEM" id="e224i2" d="M318,326 L318,338 Q318,346 310,346 L233,346 Q225,346 225,354 L225,432 Q225,440 217,440 L203,440 Q195,440 195,448 L195,478" stroke="#2867b2" marker-start="url(#arrow-MEM)" style="opacity: 1;"><title>#224[2] → #14 · MEM</title></path></g><g class="edge-hits"/><g class="parser" style="opacity: 1;"/><g class="nodes"><g class="node" id="n1" data-id="1" transform="translate(85,588)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>MemMerge</tspan><tspan class="node-id">  #1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#1 MemMerge
-Type not computed
-
-[0] → —  CTRL
-[1] → #6  MEM
-[2] → #224  MEM</title><circle class="port" cx="30" cy="-3" r="3" fill="white"/><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><circle class="port" cx="90" cy="-3" r="3" fill="#536477"/><text class="slot" x="30" y="-10" text-anchor="middle">0</text><text class="slot" x="60" y="-10" text-anchor="middle">1</text><text class="slot" x="90" y="-10" text-anchor="middle">2</text></g><g class="node" id="n2" data-id="2" transform="translate(24,24)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Start</tspan><tspan class="node-id">  #2</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#2 Start
-Type not computed
-
-</title></g><g class="node" id="n4" data-id="4" transform="translate(410,172)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#0</tspan><tspan class="node-id">  #4</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#4 #0
-Type not computed
-
-</title></g><g class="node" id="n6" data-id="6" transform="translate(24,68)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>$mem</tspan><tspan class="node-id">  #6/1</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#6 $mem
-Projection 1 of #2
-Type not computed
-
-[0] → #2  MEM</title></g><g class="node" id="n9" data-id="9" transform="translate(182,68)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>new S</tspan><tspan class="node-id">  #9</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#9 new S
-Type not computed
-
-[0] → —  CTRL</title><circle class="port" cx="60" cy="-3" r="3" fill="white"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n11" data-id="11" transform="translate(334,68)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#2</tspan><tspan class="node-id">  #11</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#11 #2
-Type not computed
-
-</title></g><g class="node" id="n12" data-id="12" transform="translate(106,172)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>.f =</tspan><tspan class="node-id">  #12</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#12 .f =
-Type not computed
-
-[0] → —  CTRL
-[1] → #6  MEM
-[2] → #9  DATA
-[3] → #11  DATA</title><circle class="port" cx="24" cy="-3" r="3" fill="white"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n13" data-id="13" transform="translate(258,172)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>new S</tspan><tspan class="node-id">  #13</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#13 new S
-Type not computed
-
-[0] → —  CTRL</title><circle class="port" cx="60" cy="-3" r="3" fill="white"/><text class="slot" x="60" y="-10" text-anchor="middle">0</text></g><g class="node" id="n14" data-id="14" transform="translate(258,276)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>.f =</tspan><tspan class="node-id">  #14</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#14 .f =
-Type not computed
-
-[0] → —  CTRL
-[1] → #12  MEM
-[2] → #13  DATA
-[3] → #4  DATA</title><circle class="port" cx="24" cy="-3" r="3" fill="white"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n16" data-id="16" transform="translate(258,380)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>.f</tspan><tspan class="node-id">  #16</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#16 .f
-Type not computed
-
-[0] → —  CTRL
-[1] → #14  MEM
-[2] → #9  DATA</title><circle class="port" cx="30" cy="-3" r="3" fill="white"/><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><circle class="port" cx="90" cy="-3" r="3" fill="#536477"/><text class="slot" x="30" y="-10" text-anchor="middle">0</text><text class="slot" x="60" y="-10" text-anchor="middle">1</text><text class="slot" x="90" y="-10" text-anchor="middle">2</text></g><g class="node" id="n21" data-id="21" transform="translate(106,276)" style="opacity: 1;"><path class="box" d="M14,0H106Q120,0 120,14V30Q120,44 106,44H14Q0,44 0,30V14Q0,0 14,0Z" fill="#edf3f7"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>#1</tspan><tspan class="node-id">  #21</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#21 #1
-Type not computed
-
-</title></g><g class="node" id="n22" data-id="22" transform="translate(95,380)" style="opacity: 1;"><path class="box" d="M10,0H110L120,10V34L110,44H10L0,34V10Z" fill="#dcecff"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>.f =</tspan><tspan class="node-id">  #22</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#22 .f =
-Type not computed
-
-[0] → —  CTRL
-[1] → #14  MEM
-[2] → #9  DATA
-[3] → #21  DATA</title><circle class="port" cx="24" cy="-3" r="3" fill="white"/><circle class="port" cx="48" cy="-3" r="3" fill="#536477"/><circle class="port" cx="72" cy="-3" r="3" fill="#536477"/><circle class="port" cx="96" cy="-3" r="3" fill="#536477"/><text class="slot" x="24" y="-10" text-anchor="middle">0</text><text class="slot" x="48" y="-10" text-anchor="middle">1</text><text class="slot" x="72" y="-10" text-anchor="middle">2</text><text class="slot" x="96" y="-10" text-anchor="middle">3</text></g><g class="node" id="n25" data-id="25" transform="translate(228,692)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>Return</tspan><tspan class="node-id">  #25</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#25 Return
-Type not computed
-
-[0] → —  CTRL
-[1] → #1  MEM
-[2] → #16  DATA</title><circle class="port" cx="30" cy="-3" r="3" fill="white"/><circle class="port" cx="60" cy="-3" r="3" fill="#536477"/><circle class="port" cx="90" cy="-3" r="3" fill="#536477"/><text class="slot" x="30" y="-10" text-anchor="middle">0</text><text class="slot" x="60" y="-10" text-anchor="middle">1</text><text class="slot" x="90" y="-10" text-anchor="middle">2</text></g><g class="node" id="n224" data-id="224" transform="translate(115,484)" style="opacity: 1;"><path class="box" d="M12,0H108L120,22L108,44H12L0,22Z" fill="#f5e4fa"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>MemPhi_2</tspan><tspan class="node-id">  #224</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#224 MemPhi_2
-Type not computed
-
-[0] → —  ASSOC
-[1] → #22  MEM
-[2] → #14  MEM</title><circle class="port" cx="0" cy="-3" r="3" fill="white"/><circle class="port" cx="40" cy="-3" r="3" fill="#536477"/><circle class="port" cx="80" cy="-3" r="3" fill="#536477"/><text class="slot" x="0" y="-10" text-anchor="middle">0</text><text class="slot" x="40" y="-10" text-anchor="middle">1</text><text class="slot" x="80" y="-10" text-anchor="middle">2</text></g></g><g class="region-heads" style="opacity: 1;"/><g class="shortcuts" style="opacity: 1;"/><g class="peep-ghosts" pointer-events="none"/></g></svg>
-- 
cgit v1.2.3