feat!: Update dunbar version

The main difference is how the header and footer are handled. Before
they were inserted as "include_markup", but now they are as "include".

6 files changed, 16 insertions, 171 deletions

diff --git a/ext/footer.du.html b/ext/footer.du.html
deleted file mode 100644
index 5745200..0000000
--- a/ext/footer.du.html
+++ /dev/null
@@ -1,15 +0,0 @@
-:text
-		<div class="gap"></div>
-		<footer>
-			Unless stated otherwise - <a href="/licensing.html">CC BY-SA 4.0</a> - <a href="/about">Kamen</a> @ <a href="/">syndamia.com</a>
-		</footer>
-	</article>
-
-	<div id="scrollBtn" class="btn">&#xFE3D;</div>
-</body>
-
-<script type="text/javascript" src="/scripts/theme-changer.js" crossorigin="anonymous" defer></script>
-<script type="text/javascript" src="/scripts/back-to-top.js" crossorigin="anonymous" defer></script>
-<script type="text/javascript" src="/scripts/keyboard.js" crossorigin="anonymous" defer></script>
-
-</html>
diff --git a/ext/header.du.html b/ext/header.du.html
deleted file mode 100644
index e272bc5..0000000
--- a/ext/header.du.html
+++ /dev/null
@@ -1,128 +0,0 @@
-:text
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-	<meta charset="UTF-8">
-	<meta name="author" content="Kamen Mladenov">
-	<meta name="robots" content="index, follow">
-	<link rel="icon" href="/img/favicon.ico" type="image/x-icon">
-	<link rel="shortcut icon" href="/img/favicon.ico" type="image/x-icon">
-	<meta name="theme-color" content="#ffffff"/>
-	<meta name="viewport" content="width=device-width, initial-scale=1.0">
-	<link rel="stylesheet" href="/styles.css">
-	<link rel="stylesheet" href="/darkmode.css">
-	<link rel="stylesheet" href="/hide-js-styling.css">
-	<link rel="stylesheet" href="/presentation.css">
-	<script type="text/javascript" src="/scripts/styling-preload.js" crossorigin="anonymous"></script>
-	<meta name="description" content="[$DESCRIPTION]">
-	<!-- Thanks https://stackoverflow.com/a/25093272/12036073 -->
-	<meta prefix="og: http://ogp.me/ns#" property="og:type" content="website">
-	<meta prefix="og: http://ogp.me/ns#" property="og:title" content="[$TITLE]">
-	<meta prefix="og: http://ogp.me/ns#" property="og:description" content="[$DESCRIPTION]">
-	<meta prefix="og: http://ogp.me/ns#" property="og:image" content="https://syndamia.com/img/meta-banner.png">
-	<meta prefix="og: http://ogp.me/ns#" property="og:url" content="https://syndamia.com">
-	<title>[$TITLE]</title>
-</head>
-<body id="content-wrapper" text="black" bgcolor="white" link="#336700" vlink="#336700">
-	<nav id="sidebar">
-		<nav id="header" class="sidebar-section">
-			<span class="nocss-aid">[[</span>
-
-			<a href="/">Home</a>
-			<span id="expandNavbarBtn" class="btn">&#x25B2;</span>
-			<script type="text/javascript" src="/scripts/expand-navbar.js" crossorigin="anonymous" defer></script>
-
-			<span class="nocss-aid">]]</span>
-		</nav>
-
-		<nav id="index" class="sidebar-section">
-			<span class="nocss-aid"><br>[[</span>
-
-			<span>Text</span><span class="nocss-aid">:</span>
-			<span class="index-list">
-				<a class="index-list-item" href="/blog">Blog</a>
-				<a class="index-list-item" href="/teaching">Teaching</a>
-				<a class="index-list-item" href="/tutorials">Tutorials</a>
-			</span>
-
-			<span class="nocss-aid">]]</span>
-
-			<span class="nocss-aid"><br>[[</span>
-
-			<span>Interactive</span><span class="nocss-aid">:</span>
-			<span class="index-list">
-				<a class="index-list-item" href="/slides">Slides</a>
-				<a class="index-list-item" href="/preserved-web-pages">Preserved web</a>
-			</span>
-
-			<span class="nocss-aid">]]</span>
-
-			<span class="nocss-aid"><br>[[</span>
-
-			<span>Files</span><span class="nocss-aid">:</span>
-			<span class="index-list">
-				<a class="index-list-item" href="/preserved-media">Archived media</a>
-				<a class="index-list-item" href="/misc">Miscellaneous</a>
-			</span>
-
-			<span class="nocss-aid">]]</span>
-
-			<span class="nocss-aid"><br>[[</span>
-
-			<span>Me</span><span class="nocss-aid">:</span>
-			<span class="index-list">
-				<a class="index-list-item" href="/about">About</a>
-				<a class="index-list-item" href="/setup">Setup</a>
-			</span>
-
-			<span class="nocss-aid">]]</span>
-		</nav>
-
-		<span class="nocss-aid"><br></span>
-
-		<nav id="settingsWrapper" class="sidebar-section">
-			<span class="nocss-aid"><br>[[</span>
-
-			<span id="changeThemeBtn" class="btn setting-btn"><span>Light</span><span class="br"></span>theme</span>
-			<span id="changeWidthBtn" class="btn setting-btn"><span>Wide</span><span class="br"></span>article</span>
-
-			<span class="nocss-aid">]]</span>
-		</nav>
-
-		<span class="nocss-aid"><br></span>
-
-		<nav id="footer" class="sidebar-section">
-			<span class="nocss-aid">[[</span>
-
-			<a href="/license.html" title="CC BY-SA 4.0 and GNU GPLv3">CC BY-SA 4.0 and GNU GPLv3</a>
-
-			<span class="nocss-aid"><br>[[</span><span class="brt"></span>
-
-			<a href="/privacy.html" title="Privacy policy">Privacy policy</a> |
-			<a href="/accessibility.html" title="Accessibility">Accessibility</a><span class="br"></span><span class="nocss-aid"> |</span>
-			<a href="/regarding-js.html" title="Regarding usage of JavaScript">Regarding JavaScript</a><span class="br"></span><span class="nocss-aid"> |</span>
-			<a href="/acknowledgements.html" title="Acknowledgements">Acknowledgements</a><span class="br"></span>
-
-			<span class="nocss-aid">]]<br>[[</span><span class="brt"></span>
-
-			<a href="https://gitlab.com/Syndamia" target="_blank" title="GitLab">GitLab</a> |
-			<a href="https://github.com/Syndamia" target="_blank" title="GitHub">GitHub</a> |
-			<a href="/about/#contact" target="_blank" title="Contact">Contact</a><span class="br"></span><span class="nocss-aid"> |</span>
-			<a href="https://bg.linkedin.com/in/kamen-mladenov" target="_blank" title="Linkedin">LinkedIn</a><span class="br"></span>
-
-			<span class="nocss-aid">]]<br>[[</span><span class="brt"></span>
-
-			<a href="https://gitlab.com/Syndamia/syndamiadotcom" target="_blank" class="link-tab">Powered with:</a><span class="br"></span>
-			<a href="https://gitlab.com/Syndamia/csg" target="_blank" class="link-tab">csg by me</a><span class="br"></span><span class="nocss-aid">, </span>
-			<a href="https://kristaps.bsd.lv/lowdown/" target="_blank" class="link-tab">lowdown by Kristaps Dzonsons</a><span class="br"></span><span class="nocss-aid">, </span>
-			<a href="https://pubs.opengroup.org/onlinepubs/9699919799/utilities/awk.html" target="_blank" class="link-tab">awk</a> and <a href="https://www.gnu.org/software/bash/" target="_blank" class="link-tab">GNU bash</a>
-
-			<span class="nocss-aid">]]</span>
-		</nav>
-	</nav>
-
-	<article>
-		<script type="text/javascript" src="/scripts/page-width.js" crossorigin="anonymous" defer></script>
-
-
diff --git a/ext/meta.awk b/ext/meta.awk
deleted file mode 100644
index 35e4f2b..0000000
--- a/ext/meta.awk
+++ /dev/null
@@ -1,24 +0,0 @@
-BEGIN {
-	FS="\t"
-	while ((getline < ENVIRON["META"]) > 0) {
-		if ($1 == "") continue
-		meta_title[$1] = $2 " &mdash; Syndamia"
-		meta_description[$1] = $3
-		if (length($3) > 200)
-			warning("Description for file \"" $1 "\" is longer than 200 characters!", "Shorten the description field in the \"" ENVIRON["META"] "\" file.")
-	}
-	FS=" "
-}
-
-FNR == 0 {
-	STD_FILENAME = substr(FILENAME, length(ENVIRON["GEN_DIR"]) + 2)
-
-	if (STD_FILENAME in meta_title) {
-		substitutions["TITLE"] = meta_title[STD_FILENAME]
-		substitutions["DESCRIPTION"] = meta_description[STD_FILENAME]
-	}
-	else {
-		delete substitutions["TITLE"]
-		delete substitutions["DESCRIPTION"]
-	}
-}
diff --git a/ext/pagenav.awk b/ext/pagenav.awk
index f1d9212..d910a43 100644
--- a/ext/pagenav.awk
+++ b/ext/pagenav.awk
@@ -5,7 +5,7 @@ BEGIN {
 	substitutions["pagination_end"]    = "`[[url [$start_url] <<]]` || `[< [$prev_link]]`"
 }
 
-FNR == 0 {
+FNR == 1 {
 	# Stats element
 	stats = \
 "	<div id=\"pagenav-stats\">" ORS \
diff --git a/ext/presentation.awk b/ext/presentation.awk
index 732def8..a3e7bec 100644
--- a/ext/presentation.awk
+++ b/ext/presentation.awk
@@ -23,9 +23,9 @@ BEGIN {
 
 		define_div("centered" fontSizes[ind], "centered" fontClass)
 
-		define("slide" fontSizes[ind], "<div id=\"[SLIDEID]\" class=\"slide" fontClass "\">", "</div>")
-		define("middle_slide" fontSizes[ind], "<div id=\"[SLIDEID]\" class=\"slide centered-slide" fontClass "\"><div></div><div>", "</div><div></div></div>")
-		define("title_slide" fontSizes[ind], "<div id=\"[SLIDEID]\" class=\"slide centered-slide centered" fontClass "\"><div></div><div>", "</div><div></div></div>")
+		define("slide" fontSizes[ind], "<div id=\"[$SLIDEID]\" class=\"slide" fontClass "\">", "</div>")
+		define("middle_slide" fontSizes[ind], "<div id=\"[$SLIDEID]\" class=\"slide centered-slide" fontClass "\"><div></div><div>", "</div><div></div></div>")
+		define("title_slide" fontSizes[ind], "<div id=\"[$SLIDEID]\" class=\"slide centered-slide centered" fontClass "\"><div></div><div>", "</div><div></div></div>")
 	}
 
 
@@ -67,3 +67,12 @@ function define_div(name, class) {
 	if (!class) class = name
 	define(name, "<div class=\"" class "\">", "</div>")
 }
+
+FNR == 1 {
+	slide_number = 0
+	substitutions["SLIDEID"] = "slide-0"
+}
+
+/^<div id="\[SLIDEID\]"/ {
+	print sub(/\[SLIDEID\]/, "slide-" slide_number++) >"/dev/stderr"
+}
diff --git a/ext/teaching.awk b/ext/teaching.awk
new file mode 100644
index 0000000..07aa590
--- /dev/null
+++ b/ext/teaching.awk
@@ -0,0 +1,3 @@
+BEGIN {
+	define("solution-link", "<div class=\"exercise-solution\">&lt;", " &gt;</div>")
+}