diff --git a/1986/marshall/compilers.html b/1986/marshall/compilers.html
index cc2eafc6c..706e0cb69 100644
--- a/1986/marshall/compilers.html
+++ b/1986/marshall/compilers.html
@@ -196,6 +196,8 @@ change to <code>_exit()</code>.</p>
 could…eventually! Or perhaps it’s the compilers, optimisers and OSes that
 eventually could?</p>
 <p>Whichever you wish it to be, it now works with both clang and gcc! Choo choo!</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1991/brnstnd/sorta.README.html b/1991/brnstnd/sorta.README.html
index cbd75dc3a..1f19e0714 100644
--- a/1991/brnstnd/sorta.README.html
+++ b/1991/brnstnd/sorta.README.html
@@ -257,6 +257,8 @@ and watch the powers of 3 (mod your computer’s word size) flow by.</p>
     [1Ou &quot;&quot; &quot;+-u&quot; &quot;who&quot;  !q]:W [F0&gt;1_+=W]:w
     P1=wO1=sOww</code></pre>
 <p>This final example is a simple pipeline, <code>who | sort</code>.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1992/buzzard.2/buzzard.2.README.html b/1992/buzzard.2/buzzard.2.README.html
index 6601eacfc..12b79da03 100644
--- a/1992/buzzard.2/buzzard.2.README.html
+++ b/1992/buzzard.2/buzzard.2.README.html
@@ -164,6 +164,8 @@
 <pre><code>    cat third - | ./first</code></pre>
 <p>To include the primitive on-line help, use:</p>
 <pre><code>    cat third help.th - | ./first</code></pre>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1992/buzzard.2/buzzard.2.design.html b/1992/buzzard.2/buzzard.2.design.html
index 6bb963664..3bbb8e95c 100644
--- a/1992/buzzard.2/buzzard.2.design.html
+++ b/1992/buzzard.2/buzzard.2.design.html
@@ -829,6 +829,8 @@ exit.</p>
         [
 
         _welcome</code></pre>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1993/ejb/hanoi.html b/1993/ejb/hanoi.html
index 17abb446d..c58576222 100644
--- a/1993/ejb/hanoi.html
+++ b/1993/ejb/hanoi.html
@@ -144,6 +144,8 @@ subject to two rules: only one ring can be moved at a time,
 and at no time can one ring be placed on top of a smaller
 ring. The number of steps necessary to solve this puzzle is
 exponential in the number rings.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1993/ejb/patience.html b/1993/ejb/patience.html
index b0f589ada..607a44df6 100644
--- a/1993/ejb/patience.html
+++ b/1993/ejb/patience.html
@@ -267,6 +267,8 @@ the second ring still attached to the <code>U</code>. This constraint
 leads to a recursive solution to the puzzle. Like the
 <a href="hanoi.md">Towers of Hanoi</a>, the number of steps to solve this puzzle is
 exponential in the number of rings.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1993/rince/design.html b/1993/rince/design.html
index 43aef1022..a302b3a5f 100644
--- a/1993/rince/design.html
+++ b/1993/rince/design.html
@@ -197,6 +197,8 @@ the following (angle brackets denote an ‘entity’ to be defined):</p>
     &lt;map&gt;</code></pre>
 <p>The <code>&lt;X size&gt;</code> should take into account the newline at the end of each line
 of map, and hence should also be one larger than expected.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1994/shapiro/shapiro.html b/1994/shapiro/shapiro.html
index f97571953..4e44f3a0e 100644
--- a/1994/shapiro/shapiro.html
+++ b/1994/shapiro/shapiro.html
@@ -231,6 +231,8 @@ text is just <code>"%c+------------+\n"</code> (slave number, text, newline.) Fo
 other slaves it is <code>"%c+%3d %-8s+\n"</code> (slave number, number, units, newline).
 The slave number is <code>v+'0'</code>. The number (if used) is <code>atoi(e+b[v])</code> and the
 units are just the string in the slave number position.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1995/leo/spoiler1.html b/1995/leo/spoiler1.html
index 3c92d407d..a14290788 100644
--- a/1995/leo/spoiler1.html
+++ b/1995/leo/spoiler1.html
@@ -135,6 +135,8 @@
 
 <!-- BEFORE: 1st line of markdown file: 1995/leo/spoiler1.md -->
 <p>(The colon <em>is</em> the secret switch - the space before it is not a mistake)</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1998/dorssel/dorssel.html b/1998/dorssel/dorssel.html
index 97ef99e44..845285bbb 100644
--- a/1998/dorssel/dorssel.html
+++ b/1998/dorssel/dorssel.html
@@ -281,6 +281,8 @@ not.</p>
 <p>.. - …. .. -. -.- - …. .. … … .–. — .. .-.. . .-. .. … – — .-. . — -… ..-. ..- … -.-. .- - . -.. - …. .- -. - …. . .–. .-. — –. .-. .- –</p>
 <p>. -..- . .-. -.-. .. … .
 -.-. …. .- -. –. . - …. . .–. .-. — –. .-. .- – … — .. - -.. — . … -. — - … …. — ..- -</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/1998/schweikh1/macos.html b/1998/schweikh1/macos.html
index df3e6b998..1fbc68d11 100644
--- a/1998/schweikh1/macos.html
+++ b/1998/schweikh1/macos.html
@@ -180,6 +180,8 @@ macOS is <code>/usr/include</code> does not exist: instead it’s
 <code>/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include</code> which is why
 the different command line and the different numbers. The change of the numbers
 can be found in the alternate code and the explanation is the same.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2004/gavin/gavin.html b/2004/gavin/gavin.html
index a2cb913f3..329fafd45 100644
--- a/2004/gavin/gavin.html
+++ b/2004/gavin/gavin.html
@@ -178,6 +178,8 @@ the top left corner of the screen, so you may need drag the windows around a bit
 to tell them apart.</p></li>
 <li><p>To shut down - just hit the power button. :-)</p></li>
 </ol>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2012/deckmyn/deckmyn.html b/2012/deckmyn/deckmyn.html
index 06a48c308..b371c6bf9 100644
--- a/2012/deckmyn/deckmyn.html
+++ b/2012/deckmyn/deckmyn.html
@@ -203,6 +203,8 @@ clef. <code>"K"</code> followed by any other letter will just default to a stand
 <pre><code>    ./deckmyn &quot;`cat deckmyn.c`&quot; &quot;KF sz sa x  s1 x  s1 x  s1 x  s1 x  s1 &quot;&gt; blank.pbm</code></pre>
 <p>Notice how only the first staff (or any staff) needs to have the full length.</p>
 <p>Some files with well-known melodies are included as examples.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2012/hou/hint.html b/2012/hou/hint.html
index 630bd34b0..79271e066 100644
--- a/2012/hou/hint.html
+++ b/2012/hou/hint.html
@@ -216,6 +216,8 @@ amount of spaghetti branches and virtual thread creations. Finally, the VM in
 <h3 id="references">References</h3>
 <p>[1] <a href="http://swtch.com/~rsc/regexp/regexp2.html">Russ Cox, Regular Expression Matching: the Virtual Machine Approach</a></p>
 <p>[2] <a href="http://swtch.com/~rsc/regexp/regexp1.html">Regular Expression Matching Can Be Simple And Fast (but is slow in Java, Perl, PHP, Python, Ruby, …)</a></p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2012/tromp/how.html b/2012/tromp/how.html
index 521cf2957..aac5e48df 100644
--- a/2012/tromp/how.html
+++ b/2012/tromp/how.html
@@ -182,6 +182,8 @@ free list.</li>
     x   expand input, adding 11 (resp. 99) entries to term space for bit (resp. byte) mode
     p   parses BLC-encoded lambda term using S(), stores results in term space and returns length
     d   decrease reference counter, add record to free list on reaching zero</code></pre>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2013/hou/doc/example.html b/2013/hou/doc/example.html
index d4c0ba51a..709d5e954 100644
--- a/2013/hou/doc/example.html
+++ b/2013/hou/doc/example.html
@@ -520,6 +520,8 @@ appearance.</p>
 <p>The last line, well, is the output filename. Just remember to throw in two <code>]</code>s
 and don’t put a newline after it.</p>
 <pre><code>    ]]example.ppm</code></pre>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2014/endoh1/spoilers.html b/2014/endoh1/spoilers.html
index cea70c65b..b857a3ef7 100644
--- a/2014/endoh1/spoilers.html
+++ b/2014/endoh1/spoilers.html
@@ -269,6 +269,8 @@ but it appears to no longer exist.</p>
 <li>The mask pattern is fixed to 4.</li>
 <li>The mask is not applied to the remained bits.</li>
 </ul>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2015/burton/road.to.obscurity.html b/2015/burton/road.to.obscurity.html
index 5f2b75da7..37b3420b6 100644
--- a/2015/burton/road.to.obscurity.html
+++ b/2015/burton/road.to.obscurity.html
@@ -334,6 +334,8 @@ decipher the logic. Many times in the debugging, I was thwarted by my own
 obfuscations, and went down blind paths in trying to fix a bug or add
 functionality. Now I think I have a good entry.</p>
 <p>But wouldn’t it be nice to import pre-set definitions from a file?</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2015/burton/spoilers.html b/2015/burton/spoilers.html
index 92fcc3ca8..88451b2e4 100644
--- a/2015/burton/spoilers.html
+++ b/2015/burton/spoilers.html
@@ -164,6 +164,8 @@ decomposition was mostly chosen to avoid curly braces: if a <code>for</code>-loo
 multiple statements, the body became a new function. Last, but not least:
 sharing state via global variables is an ancient and honored form of
 obfuscation, and remarkably effective.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2018/burton2/discrepancies.html b/2018/burton2/discrepancies.html
index 6e7c1f743..631df8779 100644
--- a/2018/burton2/discrepancies.html
+++ b/2018/burton2/discrepancies.html
@@ -196,6 +196,8 @@ rendering this not a keyword, even in disguise</p>
     cl 0   cw -4  cc 0    ci 0    ts 0   kw 0   ks 0   src/obc/2014/maffiodo1/prog.c
     cl 0   cw -4  cc 0    ci 0    ts 0   kw 0   ks 0   src/obc/2014/maffiodo1/prog.orig.c
     cl 0   cw -1  cc 0    ci 0    ts 0   kw 0   ks 0   src/obc/2014/sinon/prog.c</code></pre>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2018/ferguson/rpm.html b/2018/ferguson/rpm.html
index fcababc5e..166a19bd8 100644
--- a/2018/ferguson/rpm.html
+++ b/2018/ferguson/rpm.html
@@ -169,6 +169,8 @@ who has any desire for actually installing an IOCCC entry I did not do anything
 further. Nevertheless more information on my entry can be found at
 <a href="https://ioccc.xexyl.net/2018/weasel">https://ioccc.xexyl.net/2018/weasel</a>.</p></li>
 </ul>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/endoh2/spoiler/spoiler.html b/2020/endoh2/spoiler/spoiler.html
index 3f070d44c..5fe847a58 100644
--- a/2020/endoh2/spoiler/spoiler.html
+++ b/2020/endoh2/spoiler/spoiler.html
@@ -147,6 +147,8 @@ coded so that it does not require any <code>math.h</code> functions; you don’t
 <code>-lm</code> to <code>cc</code>.</p>
 <p><a href="tmpl.txt">tmpl.txt</a> is a template for the program. <a href="gen.rb">gen.rb</a> composes
 the all items and generates <a href="prog.c">prog.c</a>.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson1/COMPILING.html b/2020/ferguson1/COMPILING.html
index 8402a4caf..243cdad47 100644
--- a/2020/ferguson1/COMPILING.html
+++ b/2020/ferguson1/COMPILING.html
@@ -197,6 +197,8 @@ be unsigned long long maybe?). It appears to work from a quick test at least.</p
 <code>strtoul()</code> cast to an unsigned int).</p>
 <p>Anything else I do not know other than just changing the typedef and updating to
 the proper function (and/or cast to the right type).</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson1/HACKING.html b/2020/ferguson1/HACKING.html
index 567e1267b..29064be9b 100644
--- a/2020/ferguson1/HACKING.html
+++ b/2020/ferguson1/HACKING.html
@@ -511,6 +511,8 @@ done for maximum number of movements before game over. These would both be
 rather easy to implement but personally I would only consider the max number of
 evasions (I just don’t have many more bytes left!) - unless maybe that there is
 no default limit on max moves.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2020/ferguson1/bugs.html b/2020/ferguson1/bugs.html
index af85be10e..9ddf4d236 100644
--- a/2020/ferguson1/bugs.html
+++ b/2020/ferguson1/bugs.html
@@ -316,6 +316,8 @@ cannibal mode it’s even less likely that you’ll ever run into this problem.<
 <p>The obvious question is why didn’t I put in a break? Because of the IOCCC size
 rule 2 and what would it do anyway? I guess it would win but to my mind that is
 a bug and I prefer putting in restrictions to try and make it very unlikely.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson1/cannibalism.log.html b/2020/ferguson1/cannibalism.log.html
index da3aa04d6..209dabe00 100644
--- a/2020/ferguson1/cannibalism.log.html
+++ b/2020/ferguson1/cannibalism.log.html
@@ -315,6 +315,8 @@ hadn’t yet moved (that is it was still growing):</p>
     #                        ooooooooooo   ooooooooooooo             o        oooooooooo     #
     ##########################################################################################</code></pre>
 <p>…and no <strong><em>Preciouss</em></strong>: the <em>itsself</em> was not a typo but intentional sibilance!</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson1/chocolate-cake.html b/2020/ferguson1/chocolate-cake.html
index a7c2ba50d..fd4ce82f6 100644
--- a/2020/ferguson1/chocolate-cake.html
+++ b/2020/ferguson1/chocolate-cake.html
@@ -284,6 +284,8 @@ UNTIL SMOOTH</strong>.</p></li>
 thick BUT not too thick. <strong>Make <em>SURE</em> ICING DOES <em>NOT</em> GET WET!</strong> The idea is to
 <strong>MAKE THE BOWL IT’S IN COLD <em>BUT TO NOT LET THE ICING GET WET!</em></strong></p></li>
 </ol>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2020/ferguson1/crazy.log.html b/2020/ferguson1/crazy.log.html
index 2a776bdd1..946e06fcc 100644
--- a/2020/ferguson1/crazy.log.html
+++ b/2020/ferguson1/crazy.log.html
@@ -232,6 +232,8 @@ Notice how it’s in the body of the snake (but see below)!</p>
 However it appears to be inside the body of the snake! But actually that’s just where
 the snake split off at some point: the snake no longer occupies that place and indeed I
 could safely go through that part of the screen.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2020/ferguson1/gameplay.html b/2020/ferguson1/gameplay.html
index 8e6213827..bd59f606b 100644
--- a/2020/ferguson1/gameplay.html
+++ b/2020/ferguson1/gameplay.html
@@ -718,6 +718,8 @@ the imagination and creativity almost anything is possible.</strong> This is som
 <strong>that applies in our world in every way and <em>everyone</em> can do something amazing if
 they believe in themselves!</strong> I would have never thought this the case for me
 years ago but I know it’s true now. <strong>Believe in yourself. Always.</strong></p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
     Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
diff --git a/2020/ferguson1/spoilers.html b/2020/ferguson1/spoilers.html
index 831d7d2dd..591e4a791 100644
--- a/2020/ferguson1/spoilers.html
+++ b/2020/ferguson1/spoilers.html
@@ -851,6 +851,8 @@ after eating a bug) see the snake body char at 0,0. I’m not bothered about tha
 though because the score line is meant to display something, it squeezes a few
 more bytes and having a space is hardly an imposition on usage (and for that
 matter having a ‘o’ at 0,0 isn’t either).</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson1/terminals.html b/2020/ferguson1/terminals.html
index 79a96ba72..e2303db55 100644
--- a/2020/ferguson1/terminals.html
+++ b/2020/ferguson1/terminals.html
@@ -393,6 +393,8 @@ top of the <code>C()</code> function (the rest of the code won’t be reached).
 you can also comment out the <code>init_pair()</code> calls.</p>
 <p>Perhaps you only need to add the <code>return;</code> to <code>C()</code>. My guess is that’s the case
 but I do not know for certain.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson1/troubleshooting.html b/2020/ferguson1/troubleshooting.html
index 51fb1f6a0..dc3a02d3b 100644
--- a/2020/ferguson1/troubleshooting.html
+++ b/2020/ferguson1/troubleshooting.html
@@ -446,6 +446,8 @@ the snake size will be &gt;= that max anyway. But here’s a curious output:</p>
     X:78/156 Y:20/41 S:0/0 B:0</code></pre>
 <p>Why does it show snake size as 0 when I specified 1? It’s because the max size
 is 0 and I limit the size to be no bigger than the max size.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson2/obfuscation.html b/2020/ferguson2/obfuscation.html
index 0a8c3de6a..28a727c17 100644
--- a/2020/ferguson2/obfuscation.html
+++ b/2020/ferguson2/obfuscation.html
@@ -334,6 +334,8 @@ the other part of the question up to the reader to answer. Hint: you already
 know how it works (yes, really you do)! Another hint: This is and is not a
 misleading comment (conversely this makes this hint both misleading - and
 also not).</p>
+<hr style="width:10%;text-align:left;margin-left:0">
+<p>Jump to: <a href="#">top</a></p>
 <!--
 
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diff --git a/2020/ferguson2/recode.html b/2020/ferguson2/recode.html
index 2c9f5aac0..7573c7094 100644
--- a/2020/ferguson2/recode.html
+++ b/2020/ferguson2/recode.html
@@ -599,6 +599,8 @@ the key you wish to select is</p>
 <p>you can do:</p>
 <pre><code>    ./recode -R0EZ4PC1CC0PGTAQSOXWNMDRYKFUZEI -fencrypted.html | ./prog - 2&gt;/dev/null &gt; decrypted.html</code></pre>
 <p>Then open <code>decrypted.html</code> in your browser.</p>
+<hr style="width:10%;text-align:left;margin-left:0">
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