From c3958e34c0de21df52e57e47e4f47ffe6464f138 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Sat, 3 Oct 2026 09:29:42 -0700
Subject: Graph updates; readme updates

---
 chapter07/docs/07-graph4.svg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'chapter07/docs/07-graph4.svg')

diff --git a/chapter07/docs/07-graph4.svg b/chapter07/docs/07-graph4.svg
index 0fc498f7..09cea0b4 100644
--- a/chapter07/docs/07-graph4.svg
+++ b/chapter07/docs/07-graph4.svg
@@ -60,7 +60,7 @@
     .count { font-size:20px; min-width:35px; text-align:center; }
     #N { width:6ch; }
     #scrub { width:clamp(120px,35vw,600px); }
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class="region" transform="translate(24,173)"><rect class="region-box" rx="8" width="813" height="890" fill="#f1f6fc"/></g><g class="region" transform="translate(271,632)"><rect class="region-box" rx="8" width="512" height="374" fill="#f2f7ef"/></g></g><rect class="peep-area" rx="36" style="opacity: 0;"/><g class="edges"><path class="edge CTRL" id="e3i0" d="M269,1169 C269,1193 575.5,1196 575.5,1220" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#3[0] → #30 · CTRL</title></path><path class="edge CTRL" id="e8i1" d="M149,118 L149,271" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#8[1] → #1 · CTRL</title></path><path class="edge CTRL" id="e8i2" d="M407,971 L407,981 L825,981 L825,246 L179,246 L179,274" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#8[2] → #27 · CTRL</title></path><path class="edge DATA" id="e11i1" d="M307,118 L307,128 L281,128 L281,271" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#11[1] → #6 · DATA</title></path><path class="edge DATA" id="e11i2" d="M559,971 L559,981 L815,981 L815,254 L321,254 L321,274" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#11[2] → #28 · DATA</title></path><path class="edge DATA" id="e12i1" d="M459,118 L459,128 L433,128 L433,271" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#12[1] → #7 · DATA</title></path><path class="edge DATA" id="e12i2" d="M711,971 L711,981 L805,981 L805,262 L473,262 L473,274" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#12[2] → #29 · DATA</title></path><path class="edge DATA" id="e14i1" d="M301,327 L301,357 L255,357 L255,375" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[1] → #11 · DATA</title></path><path class="edge DATA" id="e14i2" d="M611,118 L611,128 L523,128 L523,337 L285,337 L285,375" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[2] → #13 · DATA</title></path><path class="edge CTRL" id="e15i0" d="M149,327 L149,479" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#15[0] → #8 · CTRL</title></path><path class="edge DATA" id="e15i1" d="M255,431 L255,441 L229,441 L229,479" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#15[1] → #14 · DATA</title></path><path class="edge DATA" id="e20i1" d="M301,327 L301,357 L443,357 L443,666" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#20[1] → #11 · DATA</title></path><path class="edge DATA" id="e20i2" d="M763,118 L763,138 L534,138 L534,589 L473,589 L473,666" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#20[2] → #19 · DATA</title></path><path class="edge CTRL" id="e21i0" d="M129,579 L129,599 L363,599 L363,770" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#21[0] → #4 · CTRL</title></path><path class="edge DATA" id="e21i1" d="M443,722 L443,770" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#21[1] → #20 · DATA</title></path><path class="edge CTRL" id="e27i1" d="M343,870 L343,880 L407,880 L407,918" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#27[1] → #9 · CTRL</title></path><path class="edge CTRL" id="e27i2" d="M463,870 L463,880 L437,880 L437,918" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#27[2] → #10 · CTRL</title></path><path class="edge DATA" id="e28i1" d="M915,118 L915,148 L545,148 L545,589 L539,589 L539,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#28[1] → #25 · DATA</title></path><path class="edge DATA" id="e28i2" d="M301,327 L301,357 L579,357 L579,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#28[2] → #11 · DATA</title></path><path class="edge DATA" id="e29i1" d="M453,327 L453,347 L590,347 L590,589 L691,589 L691,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#29[1] → #12 · DATA</title></path><path class="edge DATA" id="e29i2" d="M1067,118 L1067,158 L731,158 L731,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#29[2] → #26 · DATA</title></path><path class="edge CTRL" id="e30i0" d="M249,579 L249,1116" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#30[0] → #5 · CTRL</title></path><path class="edge DATA" id="e30i1" d="M453,327 L453,347 L325,347 L325,589 L260,589 L260,1078 L289,1078 L289,1116" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#30[1] → #12 · DATA</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(89,68)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>$ctrl</tspan><tspan class="node-id">  #1/0</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#1 $ctrl
+  </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;"><g class="region" transform="translate(24,173)"><rect class="region-box" rx="8" width="813" height="890" fill="#f1f6fc"/></g><g class="region" transform="translate(271,632)"><rect class="region-box" rx="8" width="512" height="374" fill="#f2f7ef"/></g></g><rect class="peep-area" rx="36" style="opacity: 0;"/><g class="edges"><path class="edge CTRL" id="e3i0" d="M269,1169 C269,1193 575.5,1196 575.5,1220" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#3[0] → #30 · CTRL</title></path><path class="edge CTRL" id="e8i1" d="M149,118 L149,271" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#8[1] → #1 · CTRL</title></path><path class="edge CTRL" id="e8i2" d="M407,971 L407,976 Q407,981 412,981 L817,981 Q825,981 825,973 L825,254 Q825,246 817,246 L187,246 Q179,246 179,254 L179,274" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#8[2] → #27 · CTRL</title></path><path class="edge DATA" id="e11i1" d="M307,118 L307,123 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L263,357 Q255,357 255,365 L255,375" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[1] → #11 · DATA</title></path><path class="edge DATA" id="e14i2" d="M611,118 L611,123 Q611,128 606,128 L531,128 Q523,128 523,136 L523,329 Q523,337 515,337 L293,337 Q285,337 285,345 L285,375" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[2] → #13 · DATA</title></path><path class="edge CTRL" id="e15i0" d="M149,327 L149,479" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#15[0] → #8 · CTRL</title></path><path class="edge DATA" id="e15i1" d="M255,431 L255,436 Q255,441 250,441 L237,441 Q229,441 229,449 L229,479" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#15[1] → #14 · DATA</title></path><path class="edge DATA" id="e20i1" d="M301,327 L301,349 Q301,357 309,357 L435,357 Q443,357 443,365 L443,666" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#20[1] → #11 · DATA</title></path><path class="edge DATA" id="e20i2" d="M763,118 L763,130 Q763,138 755,138 L542,138 Q534,138 534,146 L534,581 Q534,589 526,589 L481,589 Q473,589 473,597 L473,666" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#20[2] → #19 · DATA</title></path><path class="edge CTRL" id="e21i0" d="M129,579 L129,591 Q129,599 137,599 L355,599 Q363,599 363,607 L363,770" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#21[0] → #4 · CTRL</title></path><path class="edge DATA" id="e21i1" d="M443,722 L443,770" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#21[1] → #20 · DATA</title></path><path class="edge CTRL" id="e27i1" d="M343,870 L343,875 Q343,880 348,880 L399,880 Q407,880 407,888 L407,918" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#27[1] → #9 · CTRL</title></path><path class="edge CTRL" id="e27i2" d="M463,870 L463,875 Q463,880 458,880 L445,880 Q437,880 437,888 L437,918" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#27[2] → #10 · CTRL</title></path><path class="edge DATA" id="e28i1" d="M915,118 L915,140 Q915,148 907,148 L553,148 Q545,148 545,156 L545,586 Q545,589 542,589 L542,589 Q539,589 539,592 L539,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#28[1] → #25 · DATA</title></path><path class="edge DATA" id="e28i2" d="M301,327 L301,349 Q301,357 309,357 L571,357 Q579,357 579,365 L579,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#28[2] → #11 · DATA</title></path><path class="edge DATA" id="e29i1" d="M453,327 L453,339 Q453,347 461,347 L582,347 Q590,347 590,355 L590,581 Q590,589 598,589 L683,589 Q691,589 691,597 L691,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#29[1] → #12 · DATA</title></path><path class="edge DATA" id="e29i2" d="M1067,118 L1067,150 Q1067,158 1059,158 L739,158 Q731,158 731,166 L731,918" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#29[2] → #26 · DATA</title></path><path class="edge CTRL" id="e30i0" d="M249,579 L249,1116" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#30[0] → #5 · CTRL</title></path><path class="edge DATA" id="e30i1" d="M453,327 L453,339 Q453,347 445,347 L333,347 Q325,347 325,355 L325,581 Q325,589 317,589 L268,589 Q260,589 260,597 L260,1070 Q260,1078 268,1078 L281,1078 Q289,1078 289,1086 L289,1116" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#30[1] → #12 · DATA</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(89,68)" style="opacity: 1;"><path class="box" d="M0,0H120V44H0Z" fill="#fff1c4"/><text class="label" text-anchor="middle" x="60" y="18"><tspan>$ctrl</tspan><tspan class="node-id">  #1/0</tspan></text><text class="type" text-anchor="middle" y="35" x="60"/><title>#1 $ctrl
 Projection 0 of #2
 Type not computed
 
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