From c44201f558b0d3d890f8375f27b5b2ad1e5fc97a Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <mergify[bot]@users.noreply.github.com>
Date: Mon, 28 Aug 2023 14:46:42 +0000
Subject: [PATCH] deploy: 6d342eaf301d267690fd0d98cb96fef21ef33990

---
 ...6f51f4amnlf414lhl4rv9vh8iffyp431v6s28gsr90 |  2 +-
 404.html                                      | 24 ++++++++++++++++++-
 book.js                                       | 16 ++++---------
 css/general.css                               |  1 +
 css/print.css                                 |  8 -------
 css/variables.css                             | 10 ++++++++
 env-vars                                      | 22 ++++++++---------
 howtos.html                                   | 24 ++++++++++++++++++-
 index.html                                    | 24 ++++++++++++++++++-
 print.html                                    | 24 ++++++++++++++++++-
 quickstart.html                               | 24 ++++++++++++++++++-
 reference.html                                | 24 ++++++++++++++++++-
 requirements.html                             | 24 ++++++++++++++++++-
 supportmatrix.html                            | 24 ++++++++++++++++++-
 14 files changed, 212 insertions(+), 39 deletions(-)

diff --git a/.attr-0l2nkwhif96f51f4amnlf414lhl4rv9vh8iffyp431v6s28gsr90 b/.attr-0l2nkwhif96f51f4amnlf414lhl4rv9vh8iffyp431v6s28gsr90
index 490dc92..d71eb12 100644
--- a/.attr-0l2nkwhif96f51f4amnlf414lhl4rv9vh8iffyp431v6s28gsr90
+++ b/.attr-0l2nkwhif96f51f4amnlf414lhl4rv9vh8iffyp431v6s28gsr90
@@ -1,2 +1,2 @@
 cp -r /nix/store/77hisn5864q8k61mdf48306ir1kr3m9j-source/* .
-/nix/store/yraybmrngngjgs1ly1hh37g24h83wybl-mdbook-0.4.30/bin/mdbook build --dest-dir "$out"
+/nix/store/3azx36x41zxajkvx6ld7q8p0ix99ic89-mdbook-0.4.34/bin/mdbook build --dest-dir "$out"
diff --git a/404.html b/404.html
index 456ce54..0cbed61 100644
--- a/404.html
+++ b/404.html
@@ -89,11 +89,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>
diff --git a/book.js b/book.js
index ff3650e..351e28c 100644
--- a/book.js
+++ b/book.js
@@ -346,7 +346,7 @@ function playground_text(playground, hidden = true) {
         }
 
         setTimeout(function () {
-            themeColorMetaTag.content = getComputedStyle(document.body).backgroundColor;
+            themeColorMetaTag.content = getComputedStyle(document.documentElement).backgroundColor;
         }, 1);
 
         if (window.ace && window.editors) {
@@ -551,13 +551,6 @@ function playground_text(playground, hidden = true) {
             firstContact = null;
         }
     }, { passive: true });
-
-    // Scroll sidebar to current active section
-    var activeSection = document.getElementById("sidebar").querySelector(".active");
-    if (activeSection) {
-        // https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView
-        activeSection.scrollIntoView({ block: 'center' });
-    }
 })();
 
 (function chapterNavigation() {
@@ -676,13 +669,14 @@ function playground_text(playground, hidden = true) {
         }, { passive: true });
     })();
     (function controllBorder() {
-        menu.classList.remove('bordered');
-        document.addEventListener('scroll', function () {
+        function updateBorder() {
             if (menu.offsetTop === 0) {
                 menu.classList.remove('bordered');
             } else {
                 menu.classList.add('bordered');
             }
-        }, { passive: true });
+        }
+        updateBorder();
+        document.addEventListener('scroll', updateBorder, { passive: true });
     })();
 })();
diff --git a/css/general.css b/css/general.css
index 344b53e..a6db680 100644
--- a/css/general.css
+++ b/css/general.css
@@ -5,6 +5,7 @@
 :root {
     /* Browser default font-size is 16px, this way 1 rem = 10px */
     font-size: 62.5%;
+    color-scheme: var(--color-scheme);
 }
 
 html {
diff --git a/css/print.css b/css/print.css
index 5e690f7..27d05e9 100644
--- a/css/print.css
+++ b/css/print.css
@@ -22,14 +22,6 @@
     overflow-y: initial;
 }
 
-code {
-    background-color: #666666;
-    border-radius: 5px;
-
-    /* Force background to be printed in Chrome */
-    -webkit-print-color-adjust: exact;
-}
-
 pre > .buttons {
     z-index: 2;
 }
diff --git a/css/variables.css b/css/variables.css
index 21bf8e5..59fcda8 100644
--- a/css/variables.css
+++ b/css/variables.css
@@ -50,6 +50,8 @@
     --searchresults-border-color: #888;
     --searchresults-li-bg: #252932;
     --search-mark-bg: #e3b171;
+
+    --color-scheme: dark;
 }
 
 .coal {
@@ -90,6 +92,8 @@
     --searchresults-border-color: #98a3ad;
     --searchresults-li-bg: #2b2b2f;
     --search-mark-bg: #355c7d;
+
+    --color-scheme: dark;
 }
 
 .light {
@@ -130,6 +134,8 @@
     --searchresults-border-color: #888;
     --searchresults-li-bg: #e4f2fe;
     --search-mark-bg: #a2cff5;
+
+    --color-scheme: light;
 }
 
 .navy {
@@ -170,6 +176,8 @@
     --searchresults-border-color: #5c5c68;
     --searchresults-li-bg: #242430;
     --search-mark-bg: #a2cff5;
+
+    --color-scheme: dark;
 }
 
 .rust {
@@ -210,6 +218,8 @@
     --searchresults-border-color: #888;
     --searchresults-li-bg: #dec2a2;
     --search-mark-bg: #e69f67;
+
+    --color-scheme: light;
 }
 
 @media (prefers-color-scheme: dark) {
diff --git a/env-vars b/env-vars
index b29efbd..1400527 100644
--- a/env-vars
+++ b/env-vars
@@ -1,19 +1,19 @@
-declare -x CONFIG_SHELL="/nix/store/51sszqz1d9kpx480scb1vllc00kxlx79-bash-5.2-p15/bin/bash"
+declare -x CONFIG_SHELL="/nix/store/r4vxljid3iq94jp7qvd639sps0fscwy3-bash-5.2-p15/bin/bash"
 declare -x HOME="/homeless-shelter"
-declare -x HOST_PATH="/nix/store/c2bq8xsayc90s33fd5xbm1vh5lrmwcfq-coreutils-9.3/bin:/nix/store/dq11g3lzkl5bxrjy9y6x1pjxkxx6z91f-findutils-4.9.0/bin:/nix/store/xwchhp6yh1s1m1zkkzfqc8dwfprlz6mi-diffutils-3.10/bin:/nix/store/n31qkcw7f4jkkl0crczd6hiyy8sdjaz5-gnused-4.9/bin:/nix/store/yw3g789y5fpmxbzgkhs4nv7xdnyklsjd-gnugrep-3.11/bin:/nix/store/l69xigsqwjhlfl45h59ih69r1ni44xli-gawk-5.2.2/bin:/nix/store/61fb45v0p9rgpg8k4bmkd7wz187454f9-gnutar-1.34/bin:/nix/store/zh1g9lzd8wpgcjxcvm3y4a6dwjy50dym-gzip-1.12/bin:/nix/store/118gd5v4dr5zsmqkd4bigp3j5vhmdmn5-bzip2-1.0.8-bin/bin:/nix/store/xqgd14chbnrqyi0080kkyzsxwsi3hvld-gnumake-4.4.1/bin:/nix/store/51sszqz1d9kpx480scb1vllc00kxlx79-bash-5.2-p15/bin:/nix/store/sf1434s0vamnwa1ms1az7nn6z5qg5kqc-patch-2.7.6/bin:/nix/store/j9mafmdr7vmbvwznmd8axg7vgqn93m11-xz-5.4.3-bin/bin:/nix/store/fqi9n7p5rrzqansqb64zf92c2g0hk0hk-file-5.44/bin"
+declare -x HOST_PATH="/nix/store/5wspmqhgsfs7dza9gcyrj5yxbyd00q7y-coreutils-9.3/bin:/nix/store/039nii0j16pkzabxi9nm5dkh0z8awaww-findutils-4.9.0/bin:/nix/store/pmkqwxzi27lzdzkh2zpqajks9b3521jz-diffutils-3.10/bin:/nix/store/5ccllrgswk61a44yl7jcxs20jql1y32b-gnused-4.9/bin:/nix/store/m88w8in2zf5dwijxypyba02f0ff260rm-gnugrep-3.11/bin:/nix/store/scv8hzzf0vpxaqj96qjhzdcf04aygga1-gawk-5.2.2/bin:/nix/store/ygjmhqdm8labz14xxscz003srl1p2c94-gnutar-1.35/bin:/nix/store/pm6pfypn61d9n9gy19i01ak8hwc6g688-gzip-1.12/bin:/nix/store/ir3achw4jh3qyyac0vkj8jb46l06psqh-bzip2-1.0.8-bin/bin:/nix/store/k51cq3ap20c69wffjsl8qjs21wy5wlrq-gnumake-4.4.1/bin:/nix/store/r4vxljid3iq94jp7qvd639sps0fscwy3-bash-5.2-p15/bin:/nix/store/l6wb1grmnawfvy6xqp5x29jsq9p5dym8-patch-2.7.6/bin:/nix/store/ikzmh72n5f785gkfm02kzg4cl8d7hzmg-xz-5.4.4-bin/bin:/nix/store/yyrljddc4wqraxs72d8kzcf3filcncky-file-5.45/bin"
 declare -x NIX_BUILD_CORES="2"
 declare -x NIX_BUILD_TOP="/build"
-declare -x NIX_CFLAGS_COMPILE=" -frandom-seed=xpbxjpmlxj"
+declare -x NIX_CFLAGS_COMPILE=" -frandom-seed=imn8jc84x0"
 declare -x NIX_ENFORCE_NO_NATIVE="1"
 declare -x NIX_ENFORCE_PURITY="1"
-declare -x NIX_LDFLAGS="-rpath /nix/store/xpbxjpmlxj8g0p12v3dpzflj088ndzh0-nixos-anywhere-docs/lib "
+declare -x NIX_LDFLAGS="-rpath /nix/store/imn8jc84x0847ab02wjhp05n2191h8ha-nixos-anywhere-docs/lib "
 declare -x NIX_LOG_FD="2"
 declare -x NIX_SSL_CERT_FILE="/no-cert-file.crt"
 declare -x NIX_STORE="/nix/store"
 declare -x OLDPWD
-declare -x PATH="/nix/store/sprx92b3v49if4m7wi7iahclfsi4nwvn-patchelf-0.15.0/bin:/nix/store/c2bq8xsayc90s33fd5xbm1vh5lrmwcfq-coreutils-9.3/bin:/nix/store/dq11g3lzkl5bxrjy9y6x1pjxkxx6z91f-findutils-4.9.0/bin:/nix/store/xwchhp6yh1s1m1zkkzfqc8dwfprlz6mi-diffutils-3.10/bin:/nix/store/n31qkcw7f4jkkl0crczd6hiyy8sdjaz5-gnused-4.9/bin:/nix/store/yw3g789y5fpmxbzgkhs4nv7xdnyklsjd-gnugrep-3.11/bin:/nix/store/l69xigsqwjhlfl45h59ih69r1ni44xli-gawk-5.2.2/bin:/nix/store/61fb45v0p9rgpg8k4bmkd7wz187454f9-gnutar-1.34/bin:/nix/store/zh1g9lzd8wpgcjxcvm3y4a6dwjy50dym-gzip-1.12/bin:/nix/store/118gd5v4dr5zsmqkd4bigp3j5vhmdmn5-bzip2-1.0.8-bin/bin:/nix/store/xqgd14chbnrqyi0080kkyzsxwsi3hvld-gnumake-4.4.1/bin:/nix/store/51sszqz1d9kpx480scb1vllc00kxlx79-bash-5.2-p15/bin:/nix/store/sf1434s0vamnwa1ms1az7nn6z5qg5kqc-patch-2.7.6/bin:/nix/store/j9mafmdr7vmbvwznmd8axg7vgqn93m11-xz-5.4.3-bin/bin:/nix/store/fqi9n7p5rrzqansqb64zf92c2g0hk0hk-file-5.44/bin"
+declare -x PATH="/nix/store/dhg99sq2invv3scrlv6abxsb5pcz8ip6-patchelf-0.15.0/bin:/nix/store/5wspmqhgsfs7dza9gcyrj5yxbyd00q7y-coreutils-9.3/bin:/nix/store/039nii0j16pkzabxi9nm5dkh0z8awaww-findutils-4.9.0/bin:/nix/store/pmkqwxzi27lzdzkh2zpqajks9b3521jz-diffutils-3.10/bin:/nix/store/5ccllrgswk61a44yl7jcxs20jql1y32b-gnused-4.9/bin:/nix/store/m88w8in2zf5dwijxypyba02f0ff260rm-gnugrep-3.11/bin:/nix/store/scv8hzzf0vpxaqj96qjhzdcf04aygga1-gawk-5.2.2/bin:/nix/store/ygjmhqdm8labz14xxscz003srl1p2c94-gnutar-1.35/bin:/nix/store/pm6pfypn61d9n9gy19i01ak8hwc6g688-gzip-1.12/bin:/nix/store/ir3achw4jh3qyyac0vkj8jb46l06psqh-bzip2-1.0.8-bin/bin:/nix/store/k51cq3ap20c69wffjsl8qjs21wy5wlrq-gnumake-4.4.1/bin:/nix/store/r4vxljid3iq94jp7qvd639sps0fscwy3-bash-5.2-p15/bin:/nix/store/l6wb1grmnawfvy6xqp5x29jsq9p5dym8-patch-2.7.6/bin:/nix/store/ikzmh72n5f785gkfm02kzg4cl8d7hzmg-xz-5.4.4-bin/bin:/nix/store/yyrljddc4wqraxs72d8kzcf3filcncky-file-5.45/bin"
 declare -x PWD="/build"
-declare -x SHELL="/nix/store/51sszqz1d9kpx480scb1vllc00kxlx79-bash-5.2-p15/bin/bash"
+declare -x SHELL="/nix/store/r4vxljid3iq94jp7qvd639sps0fscwy3-bash-5.2-p15/bin/bash"
 declare -x SHLVL="1"
 declare -x SOURCE_DATE_EPOCH="315532800"
 declare -x SSL_CERT_FILE="/no-cert-file.crt"
@@ -23,11 +23,11 @@ declare -x TERM="xterm-256color"
 declare -x TMP="/build"
 declare -x TMPDIR="/build"
 declare -x TZ="UTC"
-declare -x XDG_DATA_DIRS="/nix/store/sprx92b3v49if4m7wi7iahclfsi4nwvn-patchelf-0.15.0/share"
+declare -x XDG_DATA_DIRS="/nix/store/dhg99sq2invv3scrlv6abxsb5pcz8ip6-patchelf-0.15.0/share"
 declare -x __structuredAttrs=""
 declare -x buildCommandPath="/build/.attr-0l2nkwhif96f51f4amnlf414lhl4rv9vh8iffyp431v6s28gsr90"
 declare -x buildInputs=""
-declare -x builder="/nix/store/51sszqz1d9kpx480scb1vllc00kxlx79-bash-5.2-p15/bin/bash"
+declare -x builder="/nix/store/r4vxljid3iq94jp7qvd639sps0fscwy3-bash-5.2-p15/bin/bash"
 declare -x cmakeFlags=""
 declare -x configureFlags=""
 declare -x depsBuildBuild=""
@@ -46,13 +46,13 @@ declare -x enableParallelInstalling="1"
 declare -x mesonFlags=""
 declare -x name="nixos-anywhere-docs"
 declare -x nativeBuildInputs=""
-declare -x out="/nix/store/xpbxjpmlxj8g0p12v3dpzflj088ndzh0-nixos-anywhere-docs"
+declare -x out="/nix/store/imn8jc84x0847ab02wjhp05n2191h8ha-nixos-anywhere-docs"
 declare -x outputs="out"
 declare -x passAsFile="buildCommand"
 declare -x patches=""
 declare -x propagatedBuildInputs=""
 declare -x propagatedNativeBuildInputs=""
-declare -x shell="/nix/store/51sszqz1d9kpx480scb1vllc00kxlx79-bash-5.2-p15/bin/bash"
-declare -x stdenv="/nix/store/32ihbg0l1v9v4bs9x0shmp4kdjsym3qq-stdenv-linux"
+declare -x shell="/nix/store/r4vxljid3iq94jp7qvd639sps0fscwy3-bash-5.2-p15/bin/bash"
+declare -x stdenv="/nix/store/80fgzsxy3x8gyv9kmjdhmis26grm2adi-stdenv-linux"
 declare -x strictDeps=""
 declare -x system="x86_64-linux"
diff --git a/howtos.html b/howtos.html
index e712efc..2c0d699 100644
--- a/howtos.html
+++ b/howtos.html
@@ -88,11 +88,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>
diff --git a/index.html b/index.html
index 68182d1..b4aac52 100644
--- a/index.html
+++ b/index.html
@@ -88,11 +88,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>
diff --git a/print.html b/print.html
index 0b79d32..d267e67 100644
--- a/print.html
+++ b/print.html
@@ -89,11 +89,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>
diff --git a/quickstart.html b/quickstart.html
index 68182d1..b4aac52 100644
--- a/quickstart.html
+++ b/quickstart.html
@@ -88,11 +88,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>
diff --git a/reference.html b/reference.html
index 342e93a..8deb598 100644
--- a/reference.html
+++ b/reference.html
@@ -88,11 +88,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>
diff --git a/requirements.html b/requirements.html
index 0cef3b4..595f771 100644
--- a/requirements.html
+++ b/requirements.html
@@ -88,11 +88,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>
diff --git a/supportmatrix.html b/supportmatrix.html
index 6dd053d..149f2a0 100644
--- a/supportmatrix.html
+++ b/supportmatrix.html
@@ -88,11 +88,33 @@
             <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
+        <!-- Track and set sidebar scroll position -->
+        <script>
+            var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox');
+            sidebarScrollbox.addEventListener('click', function(e) {
+                if (e.target.tagName === 'A') {
+                    sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop);
+                }
+            }, { passive: true });
+            var sidebarScrollTop = sessionStorage.getItem('sidebar-scroll');
+            sessionStorage.removeItem('sidebar-scroll');
+            if (sidebarScrollTop) {
+                // preserve sidebar scroll position when navigating via links within sidebar
+                sidebarScrollbox.scrollTop = sidebarScrollTop;
+            } else {
+                // scroll sidebar to current active section when navigating via "next/previous chapter" buttons
+                var activeSection = document.querySelector('#sidebar .active');
+                if (activeSection) {
+                    activeSection.scrollIntoView({ block: 'center' });
+                }
+            }
+        </script>
+
         <div id="page-wrapper" class="page-wrapper">
 
             <div class="page">
                                 <div id="menu-bar-hover-placeholder"></div>
-                <div id="menu-bar" class="menu-bar sticky bordered">
+                <div id="menu-bar" class="menu-bar sticky">
                     <div class="left-buttons">
                         <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
                             <i class="fa fa-bars"></i>