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

---
 chapter05/docs/05-graph8.svg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'chapter05/docs/05-graph8.svg')

diff --git a/chapter05/docs/05-graph8.svg b/chapter05/docs/05-graph8.svg
index bf0f8aa0..b1b4da5c 100644
--- a/chapter05/docs/05-graph8.svg
+++ b/chapter05/docs/05-graph8.svg
@@ -60,7 +60,7 @@
     .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;"><g class="region" transform="translate(61,193)"><rect class="region-box" rx="8" width="826" height="808" fill="#f2f7ef"/></g><g class="region" transform="translate(73,506)"><rect class="region-box" rx="8" width="410" height="374" fill="#f2f7ef"/></g><g class="region" transform="translate(515,511.7142857142857)"><rect class="region-box" rx="8" width="360" height="354" fill="#f2f7ef"/></g></g><rect class="peep-area" rx="36" style="opacity: 0;"/><g class="edges"><path class="edge ASSOC" id="e1i1" d="M356,115 C356,139 1494.5,0 1494.5,24" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[1] → #6 · ASSOC · 0: arg</title></path><path class="edge ASSOC" id="e1i2" d="M431,986 C431,1010 1546,0 1546,24" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[2] → #34 · ASSOC · 1: a</title></path><path class="edge CTRL" id="e3i0" d="M299,1107 C299,1131 797,1134 797,1158" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#3[0] → #35 · CTRL</title></path><path class="edge DATA" id="e8i1" d="M356,118 L356,128 L342,128 L342,247" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[1] → #6 · DATA</title></path><path class="edge DATA" id="e8i2" d="M514,118 L514,128 L422,128 L422,237 L372,237 L372,247" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[2] → #7 · DATA</title></path><path class="edge CTRL" id="e9i0" d="M236,118 L236,351" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#9[0] → #5 · CTRL</title></path><path class="edge DATA" id="e9i1" d="M342,303 L342,313 L316,313 L316,351" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#9[1] → #8 · DATA</title></path><path class="edge DATA" id="e14i1" d="M356,118 L356,128 L247,128 L247,313 L145,313 L145,560" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[1] → #6 · DATA</title></path><path class="edge DATA" id="e14i2" d="M84,118 L84,128 L134,128 L134,461 L135,461 L135,550 L175,550 L175,560" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[2] → #13 · DATA</title></path><path class="edge CTRL" id="e15i0" d="M216,451 L216,461 L215,461 L215,664" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#15[0] → #10 · CTRL</title></path><path class="edge DATA" id="e15i1" d="M145,616 L145,626 L295,626 L295,664" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#15[1] → #14 · DATA</title></path><path class="edge CTRL" id="e21i1" d="M195,764 L195,774 L259,774 L259,812" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#21[1] → #12 · CTRL</title></path><path class="edge CTRL" id="e21i2" d="M315,764 L315,774 L289,774 L289,812" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#21[2] → #16 · CTRL</title></path><path class="edge DATA" id="e22i1" d="M666,118 L666,138 L432,138 L432,471 L391,471 L391,812" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#22[1] → #19 · DATA</title></path><path class="edge DATA" id="e22i2" d="M818,118 L818,148 L443,148 L443,481 L431,481 L431,812" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#22[2] → #20 · DATA</title></path><path class="edge DATA" id="e24i1" d="M356,118 L356,128 L412,128 L412,461 L687,461 L687,545.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#24[1] → #6 · DATA</title></path><path class="edge DATA" id="e24i2" d="M970,118 L970,158 L717,158 L717,545.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#24[2] → #23 · DATA</title></path><path class="edge CTRL" id="e25i0" d="M336,451 L336,491 L607,491 L607,649.7142857142858" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#25[0] → #11 · CTRL</title></path><path class="edge DATA" id="e25i1" d="M687,601.7142857142858 L687,649.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#25[1] → #24 · DATA</title></path><path class="edge CTRL" id="e31i1" d="M587,749.7142857142858 L587,759.7142857142858 L651,759.7142857142858 L651,797.7142857142858" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#31[1] → #17 · CTRL</title></path><path class="edge CTRL" id="e31i2" d="M707,749.7142857142858 L707,759.7142857142858 L681,759.7142857142858 L681,797.7142857142858" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#31[2] → #18 · CTRL</title></path><path class="edge DATA" id="e32i1" d="M1122,118 L1122,168 L783,168 L783,797.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#32[1] → #29 · DATA</title></path><path class="edge DATA" id="e32i2" d="M1274,118 L1274,178 L823,178 L823,797.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#32[2] → #30 · DATA</title></path><path class="edge CTRL" id="e33i1" d="M259,868 L259,895 L279,895 L279,933" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#33[1] → #21 · CTRL</title></path><path class="edge CTRL" id="e33i2" d="M651,853.7142857142858 L651,895 L309,895 L309,933" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#33[2] → #31 · CTRL</title></path><path class="edge DATA" id="e34i1" d="M411,868 L411,933" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#34[1] → #22 · DATA</title></path><path class="edge DATA" id="e34i2" d="M803,853.7142857142858 L803,905 L451,905 L451,933" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#34[2] → #32 · DATA</title></path><path class="edge CTRL" id="e35i0" d="M279,989 L279,1054" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#35[0] → #33 · CTRL</title></path><path class="edge DATA" id="e35i1" d="M431,989 L431,1016 L319,1016 L319,1054" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#35[1] → #34 · 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(1406,24)" style="opacity: 1;"><path class="box" d="M4,0H160Q164,0 164,4V52Q164,56 160,56H4Q0,56 0,52V4Q0,0 4,0Z" fill="#e5e0ff"/><text class="label" text-anchor="middle" x="82" y="48"><tspan>Scope</tspan><tspan class="node-id">  #1</tspan></text><text class="type" text-anchor="middle" y="35" x="82"/><title>#1 Scope
+  </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(61,193)"><rect class="region-box" rx="8" width="826" height="808" fill="#f2f7ef"/></g><g class="region" transform="translate(73,506)"><rect class="region-box" rx="8" width="410" height="374" fill="#f2f7ef"/></g><g class="region" transform="translate(515,511.7142857142857)"><rect class="region-box" rx="8" width="360" height="354" fill="#f2f7ef"/></g></g><rect class="peep-area" rx="36" style="opacity: 0;"/><g class="edges"><path class="edge ASSOC" id="e1i1" d="M356,115 C356,139 1494.5,0 1494.5,24" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[1] → #6 · ASSOC · 0: arg</title></path><path class="edge ASSOC" id="e1i2" d="M431,986 C431,1010 1546,0 1546,24" stroke="#9396a3" marker-start="url(#arrow-ASSOC)" style="opacity: 1;"><title>#1[2] → #34 · ASSOC · 1: a</title></path><path class="edge CTRL" id="e3i0" d="M299,1107 C299,1131 797,1134 797,1158" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#3[0] → #35 · CTRL</title></path><path class="edge DATA" id="e8i1" d="M356,118 L356,123 Q356,128 351,128 L349,128 Q342,128 342,135 L342,247" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[1] → #6 · DATA</title></path><path class="edge DATA" id="e8i2" d="M514,118 L514,123 Q514,128 509,128 L430,128 Q422,128 422,136 L422,229 Q422,237 414,237 L377,237 Q372,237 372,242 L372,247" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#8[2] → #7 · DATA</title></path><path class="edge CTRL" id="e9i0" d="M236,118 L236,351" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#9[0] → #5 · CTRL</title></path><path class="edge DATA" id="e9i1" d="M342,303 L342,308 Q342,313 337,313 L324,313 Q316,313 316,321 L316,351" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#9[1] → #8 · DATA</title></path><path class="edge DATA" id="e14i1" d="M356,118 L356,123 Q356,128 351,128 L255,128 Q247,128 247,136 L247,305 Q247,313 239,313 L153,313 Q145,313 145,321 L145,560" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[1] → #6 · DATA</title></path><path class="edge DATA" id="e14i2" d="M84,118 L84,123 Q84,128 89,128 L126,128 Q134,128 134,136 L134,460.5 Q134,461 134.5,461 L134.5,461 Q135,461 135,461.5 L135,542 Q135,550 143,550 L170,550 Q175,550 175,555 L175,560" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#14[2] → #13 · DATA</title></path><path class="edge CTRL" id="e15i0" d="M216,451 L216,460.5 Q216,461 215.5,461 L215.5,461 Q215,461 215,461.5 L215,664" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#15[0] → #10 · CTRL</title></path><path class="edge DATA" id="e15i1" d="M145,616 L145,621 Q145,626 150,626 L287,626 Q295,626 295,634 L295,664" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#15[1] → #14 · DATA</title></path><path class="edge CTRL" id="e21i1" d="M195,764 L195,769 Q195,774 200,774 L251,774 Q259,774 259,782 L259,812" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#21[1] → #12 · CTRL</title></path><path class="edge CTRL" id="e21i2" d="M315,764 L315,769 Q315,774 310,774 L297,774 Q289,774 289,782 L289,812" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#21[2] → #16 · CTRL</title></path><path class="edge DATA" id="e22i1" d="M666,118 L666,130 Q666,138 658,138 L440,138 Q432,138 432,146 L432,463 Q432,471 424,471 L399,471 Q391,471 391,479 L391,812" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#22[1] → #19 · DATA</title></path><path class="edge DATA" id="e22i2" d="M818,118 L818,140 Q818,148 810,148 L451,148 Q443,148 443,156 L443,475 Q443,481 437,481 L437,481 Q431,481 431,487 L431,812" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#22[2] → #20 · DATA</title></path><path class="edge DATA" id="e24i1" d="M356,118 L356,123 Q356,128 361,128 L404,128 Q412,128 412,136 L412,453 Q412,461 420,461 L679,461 Q687,461 687,469 L687,545.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#24[1] → #6 · DATA</title></path><path class="edge DATA" id="e24i2" d="M970,118 L970,150 Q970,158 962,158 L725,158 Q717,158 717,166 L717,545.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#24[2] → #23 · DATA</title></path><path class="edge CTRL" id="e25i0" d="M336,451 L336,483 Q336,491 344,491 L599,491 Q607,491 607,499 L607,649.7142857142858" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#25[0] → #11 · CTRL</title></path><path class="edge DATA" id="e25i1" d="M687,601.7142857142858 L687,649.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#25[1] → #24 · DATA</title></path><path class="edge CTRL" id="e31i1" d="M587,749.7142857142858 L587,754.7142857142858 Q587,759.7142857142858 592,759.7142857142858 L643,759.7142857142858 Q651,759.7142857142858 651,767.7142857142858 L651,797.7142857142858" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#31[1] → #17 · CTRL</title></path><path class="edge CTRL" id="e31i2" d="M707,749.7142857142858 L707,754.7142857142858 Q707,759.7142857142858 702,759.7142857142858 L689,759.7142857142858 Q681,759.7142857142858 681,767.7142857142858 L681,797.7142857142858" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#31[2] → #18 · CTRL</title></path><path class="edge DATA" id="e32i1" d="M1122,118 L1122,160 Q1122,168 1114,168 L791,168 Q783,168 783,176 L783,797.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#32[1] → #29 · DATA</title></path><path class="edge DATA" id="e32i2" d="M1274,118 L1274,170 Q1274,178 1266,178 L831,178 Q823,178 823,186 L823,797.7142857142858" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#32[2] → #30 · DATA</title></path><path class="edge CTRL" id="e33i1" d="M259,868 L259,887 Q259,895 267,895 L271,895 Q279,895 279,903 L279,933" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#33[1] → #21 · CTRL</title></path><path class="edge CTRL" id="e33i2" d="M651,853.7142857142858 L651,887 Q651,895 643,895 L317,895 Q309,895 309,903 L309,933" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#33[2] → #31 · CTRL</title></path><path class="edge DATA" id="e34i1" d="M411,868 L411,933" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#34[1] → #22 · DATA</title></path><path class="edge DATA" id="e34i2" d="M803,853.7142857142858 L803,897 Q803,905 795,905 L459,905 Q451,905 451,913 L451,933" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#34[2] → #32 · DATA</title></path><path class="edge CTRL" id="e35i0" d="M279,989 L279,1054" stroke="#b63838" marker-start="url(#arrow-CTRL)" style="opacity: 1;"><title>#35[0] → #33 · CTRL</title></path><path class="edge DATA" id="e35i1" d="M431,989 L431,1008 Q431,1016 423,1016 L327,1016 Q319,1016 319,1024 L319,1054" stroke="#536477" marker-start="url(#arrow-DATA)" style="opacity: 1;"><title>#35[1] → #34 · 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(1406,24)" style="opacity: 1;"><path class="box" d="M4,0H160Q164,0 164,4V52Q164,56 160,56H4Q0,56 0,52V4Q0,0 4,0Z" fill="#e5e0ff"/><text class="label" text-anchor="middle" x="82" y="48"><tspan>Scope</tspan><tspan class="node-id">  #1</tspan></text><text class="type" text-anchor="middle" y="35" x="82"/><title>#1 Scope
 Type not computed
 
 [0] → —  ASSOC  0: $ctrl
-- 
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