Syntax highlighting on client (optional JS)

5 files changed, 1462 insertions, 18 deletions

diff --git a/pelicanconf.py b/pelicanconf.py
index 8efbade..e0998c0 100644
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -60,12 +60,17 @@ MENUITEMS = [("Home" , "/index.html"), ("Series", "/tags.html")]
 # Markdown extras
 MARKDOWN = {
     'extension_configs': {
+        'markdown.extensions.footnotes': {},
+        'markdown.extensions.tables': {},
         'markdown.extensions.codehilite': {
             'css_class': 'highlight',
-            'noclasses': True,
+            'use_pygments': False,
+            # Pygments breaks the semantics of the HTML inserting `span`
+            # elements in a `pre` instead of a `pre` with `code` inside.
+            # The theme uses optional JS for this (prismjs.com), this way
+            # semantics are mantained.
+            # See also: https://github.com/getpelican/pelican/issues/2569
         },
-        'markdown.extensions.footnotes': {},
-        'markdown.extensions.tables': {},
         # optionally, more extensions,
         # e.g. markdown.extensions.meta
     },
diff --git a/themes/elenq/static/css/prism.css b/themes/elenq/static/css/prism.css
new file mode 100644
index 0000000..cc87b8d
--- /dev/null
+++ b/themes/elenq/static/css/prism.css
@@ -0,0 +1,111 @@
+/* PrismJS 1.16.0
+https://prismjs.com/download.html#themes=prism&languages=bash+clojure+latex+lisp+lua+makefile+perl+sql+python+scheme+yaml */
+/**
+ * prism.js default theme for JavaScript, CSS and HTML
+ * Based on dabblet (http://dabblet.com)
+ * @author Lea Verou
+ * 
+ * Edited by Ekaitz Zarraga to make it fit in ElenQ Technology style.
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+  -moz-tab-size: 4;
+  -o-tab-size: 4;
+  tab-size: 4;
+
+  -webkit-hyphens: none;
+  -moz-hyphens: none;
+  -ms-hyphens: none;
+  hyphens: none;
+}
+
+@media print {
+  code[class*="language-"],
+  pre[class*="language-"] {
+    text-shadow: none;
+  }
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+  overflow: auto;
+}
+
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+  background: #f5f2f0;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+  color: slategray;
+}
+
+.token.punctuation {
+  color: #999;
+}
+
+.namespace {
+  opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.boolean,
+.token.number,
+.token.constant,
+.token.symbol,
+.token.deleted {
+  color: #905;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+  color: #690;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string {
+  color: #9a6e3a;
+  background: hsla(0, 0%, 100%, .5);
+}
+
+.token.atrule,
+.token.attr-value,
+.token.keyword {
+  color: #07a;
+}
+
+.token.function,
+.token.class-name {
+  color: #DD4A68;
+}
+
+.token.regex,
+.token.important,
+.token.variable {
+  color: #e90;
+}
+
+.token.important,
+.token.bold {
+  font-weight: bold;
+}
+.token.italic {
+  font-style: italic;
+}
+
+.token.entity {
+  cursor: help;
+}
+
diff --git a/themes/elenq/static/css/style.css b/themes/elenq/static/css/style.css
index c8efd73..3b52122 100644
--- a/themes/elenq/static/css/style.css
+++ b/themes/elenq/static/css/style.css
@@ -96,7 +96,7 @@ hr.short{
   z-index: 99;
   border-top: 1px solid #eee;
   border-bottom: 1px solid #eee;
-  margin-bottom: 3ex;
+  margin-bottom: 6.5rem;
 }
 .navbar {
   width: 100%;
@@ -125,22 +125,9 @@ hr.short{
 }
 
 
-/* Large devices everything inline and the header floating fixed on top
+/* Large devices everything inline and the header floating
  */
 @media (min-width: 801px) {
-  .mainheader{
-    position: fixed;
-    height: 6.5rem;
-  }
-
-  /* Push content down, because the header is floating over it */
-  .content:before{
-    display: block;
-    content: " ";
-    height: 10rem;
-    visibility: hidden;
-  }
-
   .link-right {
     margin-left: 15px;
     margin-right: 0px;
@@ -348,3 +335,12 @@ li{
     font-style: normal;
   }
 }
+
+
+/* Code rendering
+ */
+pre > code {
+  overflow: auto;
+  border: none;
+  border-radius: 0;
+}
diff --git a/themes/elenq/static/js/prism.js b/themes/elenq/static/js/prism.js
new file mode 100644
index 0000000..c7c897f
--- /dev/null
+++ b/themes/elenq/static/js/prism.js
@@ -0,0 +1,1329 @@
+/* PrismJS 1.16.0
+https://prismjs.com/download.html#themes=prism&languages=bash+clojure+latex+lisp+lua+makefile+perl+sql+python+scheme+yaml */
+var _self = (typeof window !== 'undefined')
+	? window   // if in browser
+	: (
+		(typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
+		? self // if in worker
+		: {}   // if in node js
+	);
+
+/**
+ * Prism: Lightweight, robust, elegant syntax highlighting
+ * MIT license http://www.opensource.org/licenses/mit-license.php/
+ * @author Lea Verou http://lea.verou.me
+ */
+
+var Prism = (function (_self){
+
+// Private helper vars
+var lang = /\blang(?:uage)?-([\w-]+)\b/i;
+var uniqueId = 0;
+
+var _ = {
+	manual: _self.Prism && _self.Prism.manual,
+	disableWorkerMessageHandler: _self.Prism && _self.Prism.disableWorkerMessageHandler,
+	util: {
+		encode: function (tokens) {
+			if (tokens instanceof Token) {
+				return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
+			} else if (Array.isArray(tokens)) {
+				return tokens.map(_.util.encode);
+			} else {
+				return tokens.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/\u00a0/g, ' ');
+			}
+		},
+
+		type: function (o) {
+			return Object.prototype.toString.call(o).slice(8, -1);
+		},
+
+		objId: function (obj) {
+			if (!obj['__id']) {
+				Object.defineProperty(obj, '__id', { value: ++uniqueId });
+			}
+			return obj['__id'];
+		},
+
+		// Deep clone a language definition (e.g. to extend it)
+		clone: function deepClone(o, visited) {
+			var clone, id, type = _.util.type(o);
+			visited = visited || {};
+
+			switch (type) {
+				case 'Object':
+					id = _.util.objId(o);
+					if (visited[id]) {
+						return visited[id];
+					}
+					clone = {};
+					visited[id] = clone;
+
+					for (var key in o) {
+						if (o.hasOwnProperty(key)) {
+							clone[key] = deepClone(o[key], visited);
+						}
+					}
+
+					return clone;
+
+				case 'Array':
+					id = _.util.objId(o);
+					if (visited[id]) {
+						return visited[id];
+					}
+					clone = [];
+					visited[id] = clone;
+
+					o.forEach(function (v, i) {
+						clone[i] = deepClone(v, visited);
+					});
+
+					return clone;
+
+				default:
+					return o;
+			}
+		}
+	},
+
+	languages: {
+		extend: function (id, redef) {
+			var lang = _.util.clone(_.languages[id]);
+
+			for (var key in redef) {
+				lang[key] = redef[key];
+			}
+
+			return lang;
+		},
+
+		/**
+		 * Insert a token before another token in a language literal
+		 * As this needs to recreate the object (we cannot actually insert before keys in object literals),
+		 * we cannot just provide an object, we need an object and a key.
+		 * @param inside The key (or language id) of the parent
+		 * @param before The key to insert before.
+		 * @param insert Object with the key/value pairs to insert
+		 * @param root The object that contains `inside`. If equal to Prism.languages, it can be omitted.
+		 */
+		insertBefore: function (inside, before, insert, root) {
+			root = root || _.languages;
+			var grammar = root[inside];
+			var ret = {};
+
+			for (var token in grammar) {
+				if (grammar.hasOwnProperty(token)) {
+
+					if (token == before) {
+						for (var newToken in insert) {
+							if (insert.hasOwnProperty(newToken)) {
+								ret[newToken] = insert[newToken];
+							}
+						}
+					}
+
+					// Do not insert token which also occur in insert. See #1525
+					if (!insert.hasOwnProperty(token)) {
+						ret[token] = grammar[token];
+					}
+				}
+			}
+
+			var old = root[inside];
+			root[inside] = ret;
+
+			// Update references in other language definitions
+			_.languages.DFS(_.languages, function(key, value) {
+				if (value === old && key != inside) {
+					this[key] = ret;
+				}
+			});
+
+			return ret;
+		},
+
+		// Traverse a language definition with Depth First Search
+		DFS: function DFS(o, callback, type, visited) {
+			visited = visited || {};
+
+			var objId = _.util.objId;
+
+			for (var i in o) {
+				if (o.hasOwnProperty(i)) {
+					callback.call(o, i, o[i], type || i);
+
+					var property = o[i],
+					    propertyType = _.util.type(property);
+
+					if (propertyType === 'Object' && !visited[objId(property)]) {
+						visited[objId(property)] = true;
+						DFS(property, callback, null, visited);
+					}
+					else if (propertyType === 'Array' && !visited[objId(property)]) {
+						visited[objId(property)] = true;
+						DFS(property, callback, i, visited);
+					}
+				}
+			}
+		}
+	},
+	plugins: {},
+
+	highlightAll: function(async, callback) {
+		_.highlightAllUnder(document, async, callback);
+	},
+
+	highlightAllUnder: function(container, async, callback) {
+		var env = {
+			callback: callback,
+			selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
+		};
+
+		_.hooks.run("before-highlightall", env);
+
+		var elements = env.elements || container.querySelectorAll(env.selector);
+
+		for (var i=0, element; element = elements[i++];) {
+			_.highlightElement(element, async === true, env.callback);
+		}
+	},
+
+	highlightElement: function(element, async, callback) {
+		// Find language
+		var language = 'none', grammar, parent = element;
+
+		while (parent && !lang.test(parent.className)) {
+			parent = parent.parentNode;
+		}
+
+		if (parent) {
+			language = (parent.className.match(lang) || [,'none'])[1].toLowerCase();
+			grammar = _.languages[language];
+		}
+
+		// Set language on the element, if not present
+		element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
+
+		if (element.parentNode) {
+			// Set language on the parent, for styling
+			parent = element.parentNode;
+
+			if (/pre/i.test(parent.nodeName)) {
+				parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
+			}
+		}
+
+		var code = element.textContent;
+
+		var env = {
+			element: element,
+			language: language,
+			grammar: grammar,
+			code: code
+		};
+
+		var insertHighlightedCode = function (highlightedCode) {
+			env.highlightedCode = highlightedCode;
+
+			_.hooks.run('before-insert', env);
+
+			env.element.innerHTML = env.highlightedCode;
+
+			_.hooks.run('after-highlight', env);
+			_.hooks.run('complete', env);
+			callback && callback.call(env.element);
+		}
+
+		_.hooks.run('before-sanity-check', env);
+
+		if (!env.code) {
+			_.hooks.run('complete', env);
+			return;
+		}
+
+		_.hooks.run('before-highlight', env);
+
+		if (!env.grammar) {
+			insertHighlightedCode(_.util.encode(env.code));
+			return;
+		}
+
+		if (async && _self.Worker) {
+			var worker = new Worker(_.filename);
+
+			worker.onmessage = function(evt) {
+				insertHighlightedCode(evt.data);
+			};
+
+			worker.postMessage(JSON.stringify({
+				language: env.language,
+				code: env.code,
+				immediateClose: true
+			}));
+		}
+		else {
+			insertHighlightedCode(_.highlight(env.code, env.grammar, env.language));
+		}
+	},
+
+	highlight: function (text, grammar, language) {
+		var env = {
+			code: text,
+			grammar: grammar,
+			language: language
+		};
+		_.hooks.run('before-tokenize', env);
+		env.tokens = _.tokenize(env.code, env.grammar);
+		_.hooks.run('after-tokenize', env);
+		return Token.stringify(_.util.encode(env.tokens), env.language);
+	},
+
+	matchGrammar: function (text, strarr, grammar, index, startPos, oneshot, target) {
+		for (var token in grammar) {
+			if(!grammar.hasOwnProperty(token) || !grammar[token]) {
+				continue;
+			}
+
+			if (token == target) {
+				return;
+			}
+
+			var patterns = grammar[token];
+			patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];
+
+			for (var j = 0; j < patterns.length; ++j) {
+				var pattern = patterns[j],
+					inside = pattern.inside,
+					lookbehind = !!pattern.lookbehind,
+					greedy = !!pattern.greedy,
+					lookbehindLength = 0,
+					alias = pattern.alias;
+
+				if (greedy && !pattern.pattern.global) {
+					// Without the global flag, lastIndex won't work
+					var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
+					pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
+				}
+
+				pattern = pattern.pattern || pattern;
+
+				// Don’t cache length as it changes during the loop
+				for (var i = index, pos = startPos; i < strarr.length; pos += strarr[i].length, ++i) {
+
+					var str = strarr[i];
+
+					if (strarr.length > text.length) {
+						// Something went terribly wrong, ABORT, ABORT!
+						return;
+					}
+
+					if (str instanceof Token) {
+						continue;
+					}
+
+					if (greedy && i != strarr.length - 1) {
+						pattern.lastIndex = pos;
+						var match = pattern.exec(text);
+						if (!match) {
+							break;
+						}
+
+						var from = match.index + (lookbehind ? match[1].length : 0),
+						    to = match.index + match[0].length,
+						    k = i,
+						    p = pos;
+
+						for (var len = strarr.length; k < len && (p < to || (!strarr[k].type && !strarr[k - 1].greedy)); ++k) {
+							p += strarr[k].length;
+							// Move the index i to the element in strarr that is closest to from
+							if (from >= p) {
+								++i;
+								pos = p;
+							}
+						}
+
+						// If strarr[i] is a Token, then the match starts inside another Token, which is invalid
+						if (strarr[i] instanceof Token) {
+							continue;
+						}
+
+						// Number of tokens to delete and replace with the new match
+						delNum = k - i;
+						str = text.slice(pos, p);
+						match.index -= pos;
+					} else {
+						pattern.lastIndex = 0;
+
+						var match = pattern.exec(str),
+							delNum = 1;
+					}
+
+					if (!match) {
+						if (oneshot) {
+							break;
+						}
+
+						continue;
+					}
+
+					if(lookbehind) {
+						lookbehindLength = match[1] ? match[1].length : 0;
+					}
+
+					var from = match.index + lookbehindLength,
+					    match = match[0].slice(lookbehindLength),
+					    to = from + match.length,
+					    before = str.slice(0, from),
+					    after = str.slice(to);
+
+					var args = [i, delNum];
+
+					if (before) {
+						++i;
+						pos += before.length;
+						args.push(before);
+					}
+
+					var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
+
+					args.push(wrapped);
+
+					if (after) {
+						args.push(after);
+					}
+
+					Array.prototype.splice.apply(strarr, args);
+
+					if (delNum != 1)
+						_.matchGrammar(text, strarr, grammar, i, pos, true, token);
+
+					if (oneshot)
+						break;
+				}
+			}
+		}
+	},
+
+	tokenize: function(text, grammar) {
+		var strarr = [text];
+
+		var rest = grammar.rest;
+
+		if (rest) {
+			for (var token in rest) {
+				grammar[token] = rest[token];
+			}
+
+			delete grammar.rest;
+		}
+
+		_.matchGrammar(text, strarr, grammar, 0, 0, false);
+
+		return strarr;
+	},
+
+	hooks: {
+		all: {},
+
+		add: function (name, callback) {
+			var hooks = _.hooks.all;
+
+			hooks[name] = hooks[name] || [];
+
+			hooks[name].push(callback);
+		},
+
+		run: function (name, env) {
+			var callbacks = _.hooks.all[name];
+
+			if (!callbacks || !callbacks.length) {
+				return;
+			}
+
+			for (var i=0, callback; callback = callbacks[i++];) {
+				callback(env);
+			}
+		}
+	},
+
+	Token: Token
+};
+
+_self.Prism = _;
+
+function Token(type, content, alias, matchedStr, greedy) {
+	this.type = type;
+	this.content = content;
+	this.alias = alias;
+	// Copy of the full string this token was created from
+	this.length = (matchedStr || "").length|0;
+	this.greedy = !!greedy;
+}
+
+Token.stringify = function(o, language) {
+	if (typeof o == 'string') {
+		return o;
+	}
+
+	if (Array.isArray(o)) {
+		return o.map(function(element) {
+			return Token.stringify(element, language);
+		}).join('');
+	}
+
+	var env = {
+		type: o.type,
+		content: Token.stringify(o.content, language),
+		tag: 'span',
+		classes: ['token', o.type],
+		attributes: {},
+		language: language
+	};
+
+	if (o.alias) {
+		var aliases = Array.isArray(o.alias) ? o.alias : [o.alias];
+		Array.prototype.push.apply(env.classes, aliases);
+	}
+
+	_.hooks.run('wrap', env);
+
+	var attributes = Object.keys(env.attributes).map(function(name) {
+		return name + '="' + (env.attributes[name] || '').replace(/"/g, '&quot;') + '"';
+	}).join(' ');
+
+	return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '</' + env.tag + '>';
+};
+
+if (!_self.document) {
+	if (!_self.addEventListener) {
+		// in Node.js
+		return _;
+	}
+
+	if (!_.disableWorkerMessageHandler) {
+		// In worker
+		_self.addEventListener('message', function (evt) {
+			var message = JSON.parse(evt.data),
+				lang = message.language,
+				code = message.code,
+				immediateClose = message.immediateClose;
+
+			_self.postMessage(_.highlight(code, _.languages[lang], lang));
+			if (immediateClose) {
+				_self.close();
+			}
+		}, false);
+	}
+
+	return _;
+}
+
+//Get current script and highlight
+var script = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
+
+if (script) {
+	_.filename = script.src;
+
+	if (!_.manual && !script.hasAttribute('data-manual')) {
+		if(document.readyState !== "loading") {
+			if (window.requestAnimationFrame) {
+				window.requestAnimationFrame(_.highlightAll);
+			} else {
+				window.setTimeout(_.highlightAll, 16);
+			}
+		}
+		else {
+			document.addEventListener('DOMContentLoaded', _.highlightAll);
+		}
+	}
+}
+
+return _;
+
+})(_self);
+
+if (typeof module !== 'undefined' && module.exports) {
+	module.exports = Prism;
+}
+
+// hack for components to work correctly in node.js
+if (typeof global !== 'undefined') {
+	global.Prism = Prism;
+}
+;
+(function(Prism) {
+	var insideString = {
+		variable: [
+			// Arithmetic Environment
+			{
+				pattern: /\$?\(\([\s\S]+?\)\)/,
+				inside: {
+					// If there is a $ sign at the beginning highlight $(( and )) as variable
+					variable: [{
+							pattern: /(^\$\(\([\s\S]+)\)\)/,
+							lookbehind: true
+						},
+						/^\$\(\(/
+					],
+					number: /\b0x[\dA-Fa-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee]-?\d+)?/,
+					// Operators according to https://www.gnu.org/software/bash/manual/bashref.html#Shell-Arithmetic
+					operator: /--?|-=|\+\+?|\+=|!=?|~|\*\*?|\*=|\/=?|%=?|<<=?|>>=?|<=?|>=?|==?|&&?|&=|\^=?|\|\|?|\|=|\?|:/,
+					// If there is no $ sign at the beginning highlight (( and )) as punctuation
+					punctuation: /\(\(?|\)\)?|,|;/
+				}
+			},
+			// Command Substitution
+			{
+				pattern: /\$\([^)]+\)|`[^`]+`/,
+				greedy: true,
+				inside: {
+					variable: /^\$\(|^`|\)$|`$/
+				}
+			},
+			/\$(?:[\w#?*!@]+|\{[^}]+\})/i
+		]
+	};
+
+	Prism.languages.bash = {
+		'shebang': {
+			pattern: /^#!\s*\/bin\/bash|^#!\s*\/bin\/sh/,
+			alias: 'important'
+		},
+		'comment': {
+			pattern: /(^|[^"{\\])#.*/,
+			lookbehind: true
+		},
+		'string': [
+			//Support for Here-Documents https://en.wikipedia.org/wiki/Here_document
+			{
+				pattern: /((?:^|[^<])<<\s*)["']?(\w+?)["']?\s*\r?\n(?:[\s\S])*?\r?\n\2/,
+				lookbehind: true,
+				greedy: true,
+				inside: insideString
+			},
+			{
+				pattern: /(["'])(?:\\[\s\S]|\$\([^)]+\)|`[^`]+`|(?!\1)[^\\])*\1/,
+				greedy: true,
+				inside: insideString
+			}
+		],
+		'variable': insideString.variable,
+		// Originally based on http://ss64.com/bash/
+		'function': {
+			pattern: /(^|[\s;|&])(?:add|alias|apropos|apt|apt-cache|apt-get|aptitude|aspell|automysqlbackup|awk|basename|bash|bc|bconsole|bg|builtin|bzip2|cal|cat|cd|cfdisk|chgrp|chkconfig|chmod|chown|chroot|cksum|clear|cmp|comm|command|cp|cron|crontab|csplit|curl|cut|date|dc|dd|ddrescue|debootstrap|df|diff|diff3|dig|dir|dircolors|dirname|dirs|dmesg|du|egrep|eject|enable|env|ethtool|eval|exec|expand|expect|export|expr|fdformat|fdisk|fg|fgrep|file|find|fmt|fold|format|free|fsck|ftp|fuser|gawk|getopts|git|gparted|grep|groupadd|groupdel|groupmod|groups|grub-mkconfig|gzip|halt|hash|head|help|hg|history|host|hostname|htop|iconv|id|ifconfig|ifdown|ifup|import|install|ip|jobs|join|kill|killall|less|link|ln|locate|logname|logout|logrotate|look|lpc|lpr|lprint|lprintd|lprintq|lprm|ls|lsof|lynx|make|man|mc|mdadm|mkconfig|mkdir|mke2fs|mkfifo|mkfs|mkisofs|mknod|mkswap|mmv|more|most|mount|mtools|mtr|mutt|mv|nano|nc|netstat|nice|nl|nohup|notify-send|npm|nslookup|op|open|parted|passwd|paste|pathchk|ping|pkill|pnpm|popd|pr|printcap|printenv|printf|ps|pushd|pv|pwd|quota|quotacheck|quotactl|ram|rar|rcp|read|readarray|readonly|reboot|remsync|rename|renice|rev|rm|rmdir|rpm|rsync|scp|screen|sdiff|sed|sendmail|seq|service|sftp|shift|shopt|shutdown|sleep|slocate|sort|source|split|ssh|stat|strace|su|sudo|sum|suspend|swapon|sync|tail|tar|tee|test|time|timeout|times|top|touch|tr|traceroute|trap|tsort|tty|type|ulimit|umask|umount|unalias|uname|unexpand|uniq|units|unrar|unshar|unzip|update-grub|uptime|useradd|userdel|usermod|users|uudecode|uuencode|vdir|vi|vim|virsh|vmstat|wait|watch|wc|wget|whereis|which|who|whoami|write|xargs|xdg-open|yarn|yes|zip|zypper)(?=$|[\s;|&])/,
+			lookbehind: true
+		},
+		'keyword': {
+			pattern: /(^|[\s;|&])(?:let|:|\.|if|then|else|elif|fi|for|break|continue|while|in|case|function|select|do|done|until|echo|exit|return|set|declare)(?=$|[\s;|&])/,
+			lookbehind: true
+		},
+		'boolean': {
+			pattern: /(^|[\s;|&])(?:true|false)(?=$|[\s;|&])/,
+			lookbehind: true
+		},
+		'operator': /&&?|\|\|?|==?|!=?|<<<?|>>|<=?|>=?|=~/,
+		'punctuation': /\$?\(\(?|\)\)?|\.\.|[{}[\];]/
+	};
+
+	var inside = insideString.variable[1].inside;
+	inside.string = Prism.languages.bash.string;
+	inside['function'] = Prism.languages.bash['function'];
+	inside.keyword = Prism.languages.bash.keyword;
+	inside['boolean'] = Prism.languages.bash['boolean'];
+	inside.operator = Prism.languages.bash.operator;
+	inside.punctuation = Prism.languages.bash.punctuation;
+
+	Prism.languages.shell = Prism.languages.bash;
+})(Prism);
+
+// Copied from https://github.com/jeluard/prism-clojure
+Prism.languages.clojure = {
+	comment: /;+.*/,
+	string: /"(?:\\.|[^\\"\r\n])*"/,
+	operator: /(?:::|[:|'])\b[a-z][\w*+!?-]*\b/i, //used for symbols and keywords
+	keyword: {
+		pattern: /([^\w+*'?-])(?:def|if|do|let|\.\.|quote|var|->>|->|fn|loop|recur|throw|try|monitor-enter|\.|new|set!|def\-|defn|defn\-|defmacro|defmulti|defmethod|defstruct|defonce|declare|definline|definterface|defprotocol|==|defrecord|>=|deftype|<=|defproject|ns|\*|\+|\-|\/|<|=|>|accessor|agent|agent-errors|aget|alength|all-ns|alter|and|append-child|apply|array-map|aset|aset-boolean|aset-byte|aset-char|aset-double|aset-float|aset-int|aset-long|aset-short|assert|assoc|await|await-for|bean|binding|bit-and|bit-not|bit-or|bit-shift-left|bit-shift-right|bit-xor|boolean|branch\?|butlast|byte|cast|char|children|class|clear-agent-errors|comment|commute|comp|comparator|complement|concat|conj|cons|constantly|cond|if-not|construct-proxy|contains\?|count|create-ns|create-struct|cycle|dec|deref|difference|disj|dissoc|distinct|doall|doc|dorun|doseq|dosync|dotimes|doto|double|down|drop|drop-while|edit|end\?|ensure|eval|every\?|false\?|ffirst|file-seq|filter|find|find-doc|find-ns|find-var|first|float|flush|for|fnseq|frest|gensym|get-proxy-class|get|hash-map|hash-set|identical\?|identity|if-let|import|in-ns|inc|index|insert-child|insert-left|insert-right|inspect-table|inspect-tree|instance\?|int|interleave|intersection|into|into-array|iterate|join|key|keys|keyword|keyword\?|last|lazy-cat|lazy-cons|left|lefts|line-seq|list\*|list|load|load-file|locking|long|loop|macroexpand|macroexpand-1|make-array|make-node|map|map-invert|map\?|mapcat|max|max-key|memfn|merge|merge-with|meta|min|min-key|name|namespace|neg\?|new|newline|next|nil\?|node|not|not-any\?|not-every\?|not=|ns-imports|ns-interns|ns-map|ns-name|ns-publics|ns-refers|ns-resolve|ns-unmap|nth|nthrest|or|parse|partial|path|peek|pop|pos\?|pr|pr-str|print|print-str|println|println-str|prn|prn-str|project|proxy|proxy-mappings|quot|rand|rand-int|range|re-find|re-groups|re-matcher|re-matches|re-pattern|re-seq|read|read-line|reduce|ref|ref-set|refer|rem|remove|remove-method|remove-ns|rename|rename-keys|repeat|replace|replicate|resolve|rest|resultset-seq|reverse|rfirst|right|rights|root|rrest|rseq|second|select|select-keys|send|send-off|seq|seq-zip|seq\?|set|short|slurp|some|sort|sort-by|sorted-map|sorted-map-by|sorted-set|special-symbol\?|split-at|split-with|str|string\?|struct|struct-map|subs|subvec|symbol|symbol\?|sync|take|take-nth|take-while|test|time|to-array|to-array-2d|tree-seq|true\?|union|up|update-proxy|val|vals|var-get|var-set|var\?|vector|vector-zip|vector\?|when|when-first|when-let|when-not|with-local-vars|with-meta|with-open|with-out-str|xml-seq|xml-zip|zero\?|zipmap|zipper)(?=[^\w+*'?-])/,
+		lookbehind: true
+	},
+	boolean: /\b(?:true|false|nil)\b/,
+	number: /\b[0-9A-Fa-f]+\b/,
+	punctuation: /[{}\[\](),]/
+};
+
+(function(Prism) {
+	var funcPattern = /\\(?:[^a-z()[\]]|[a-z*]+)/i,
+	    insideEqu = {
+		    'equation-command': {
+			    pattern: funcPattern,
+			    alias: 'regex'
+		    }
+	    };
+
+	Prism.languages.latex = {
+		'comment': /%.*/m,
+		// the verbatim environment prints whitespace to the document
+		'cdata':  {
+			pattern: /(\\begin\{((?:verbatim|lstlisting)\*?)\})[\s\S]*?(?=\\end\{\2\})/,
+			lookbehind: true
+		},
+		/*
+		 * equations can be between $ $ or \( \) or \[ \]
+		 * (all are multiline)
+		 */
+		'equation': [
+			{
+				pattern: /\$(?:\\[\s\S]|[^\\$])*\$|\\\([\s\S]*?\\\)|\\\[[\s\S]*?\\\]/,
+				inside: insideEqu,
+				alias: 'string'
+			},
+			{
+				pattern: /(\\begin\{((?:equation|math|eqnarray|align|multline|gather)\*?)\})[\s\S]*?(?=\\end\{\2\})/,
+				lookbehind: true,
+				inside: insideEqu,
+				alias: 'string'
+			}
+		],
+		/*
+		 * arguments which are keywords or references are highlighted
+		 * as keywords
+		 */
+		'keyword': {
+			pattern: /(\\(?:begin|end|ref|cite|label|usepackage|documentclass)(?:\[[^\]]+\])?\{)[^}]+(?=\})/,
+			lookbehind: true
+		},
+		'url': {
+			pattern: /(\\url\{)[^}]+(?=\})/,
+			lookbehind: true
+		},
+		/*
+		 * section or chapter headlines are highlighted as bold so that
+		 * they stand out more
+		 */
+		'headline': {
+			pattern: /(\\(?:part|chapter|section|subsection|frametitle|subsubsection|paragraph|subparagraph|subsubparagraph|subsubsubparagraph)\*?(?:\[[^\]]+\])?\{)[^}]+(?=\}(?:\[[^\]]+\])?)/,
+			lookbehind: true,
+			alias: 'class-name'
+		},
+		'function': {
+			pattern: funcPattern,
+			alias: 'selector'
+		},
+		'punctuation': /[[\]{}&]/
+	};
+})(Prism);
+
+(function (Prism) {
+	// Functions to construct regular expressions
+	// simple form
+	// e.g. (interactive ... or (interactive)
+	function simple_form(name) {
+		return RegExp('(\\()' + name + '(?=[\\s\\)])');
+	}
+	// booleans and numbers
+	function primitive(pattern) {
+		return RegExp('([\\s([])' + pattern + '(?=[\\s)])');
+	}
+
+	// Patterns in regular expressions
+
+	// Symbol name. See https://www.gnu.org/software/emacs/manual/html_node/elisp/Symbol-Type.html
+	// & and : are excluded as they are usually used for special purposes
+	var symbol = '[-+*/_~!@$%^=<>{}\\w]+';
+	// symbol starting with & used in function arguments
+	var marker = '&' + symbol;
+	// Open parenthesis for look-behind
+	var par = '(\\()';
+	var endpar = '(?=\\))';
+	// End the pattern with look-ahead space
+	var space = '(?=\\s)';
+
+	var language = {
+		// Three or four semicolons are considered a heading.
+		// See https://www.gnu.org/software/emacs/manual/html_node/elisp/Comment-Tips.html
+		heading: {
+			pattern: /;;;.*/,
+			alias: ['comment', 'title']
+		},
+		comment: /;.*/,
+		string: {
+			pattern: /"(?:[^"\\]|\\.)*"/,
+			greedy: true,
+			inside: {
+				argument: /[-A-Z]+(?=[.,\s])/,
+				symbol: RegExp('`' + symbol + "'")
+			}
+		},
+		'quoted-symbol': {
+			pattern: RegExp("#?'" + symbol),
+			alias: ['variable', 'symbol']
+		},
+		'lisp-property': {
+			pattern: RegExp(':' + symbol),
+			alias: 'property'
+		},
+		splice: {
+			pattern: RegExp(',@?' + symbol),
+			alias: ['symbol', 'variable']
+		},
+		keyword: [
+			{
+				pattern: RegExp(
+					par +
+						'(?:(?:lexical-)?let\\*?|(?:cl-)?letf|if|when|while|unless|cons|cl-loop|and|or|not|cond|setq|error|message|null|require|provide|use-package)' +
+						space
+				),
+				lookbehind: true
+			},
+			{
+				pattern: RegExp(
+					par + '(?:for|do|collect|return|finally|append|concat|in|by)' + space
+				),
+				lookbehind: true
+			},
+		],
+		declare: {
+			pattern: simple_form('declare'),
+			lookbehind: true,
+			alias: 'keyword'
+		},
+		interactive: {
+			pattern: simple_form('interactive'),
+			lookbehind: true,
+			alias: 'keyword'
+		},
+		boolean: {
+			pattern: primitive('(?:t|nil)'),
+			lookbehind: true
+		},
+		number: {
+			pattern: primitive('[-+]?\\d+(?:\\.\\d*)?'),
+			lookbehind: true
+		},
+		defvar: {
+			pattern: RegExp(par + 'def(?:var|const|custom|group)\\s+' + symbol),
+			lookbehind: true,
+			inside: {
+				keyword: /^def[a-z]+/,
+				variable: RegExp(symbol)
+			}
+		},
+		defun: {
+			pattern: RegExp(
+				par +
+					'(?:cl-)?(?:defun\\*?|defmacro)\\s+' +
+					symbol +
+					'\\s+\\([\\s\\S]*?\\)'
+			),
+			lookbehind: true,
+			inside: {
+				keyword: /^(?:cl-)?def\S+/,
+				// See below, this property needs to be defined later so that it can
+				// reference the language object.
+				arguments: null,
+				function: {
+					pattern: RegExp('(^\\s)' + symbol),
+					lookbehind: true
+				},
+				punctuation: /[()]/
+			}
+		},
+		lambda: {
+			pattern: RegExp(par + 'lambda\\s+\\((?:&?' + symbol + '\\s*)*\\)'),
+			lookbehind: true,
+			inside: {
+				keyword: /^lambda/,
+				// See below, this property needs to be defined later so that it can
+				// reference the language object.
+				arguments: null,
+				punctuation: /[()]/
+			}
+		},
+		car: {
+			pattern: RegExp(par + symbol),
+			lookbehind: true
+		},
+		punctuation: [
+			// open paren, brackets, and close paren
+			/(['`,]?\(|[)\[\]])/,
+			// cons
+			{
+				pattern: /(\s)\.(?=\s)/,
+				lookbehind: true
+			},
+		]
+	};
+
+	var arg = {
+		'lisp-marker': RegExp(marker),
+		rest: {
+			argument: {
+				pattern: RegExp(symbol),
+				alias: 'variable'
+			},
+			varform: {
+				pattern: RegExp(par + symbol + '\\s+\\S[\\s\\S]*' + endpar),
+				lookbehind: true,
+				inside: {
+					string: language.string,
+					boolean: language.boolean,
+					number: language.number,
+					symbol: language.symbol,
+					punctuation: /[()]/
+				}
+			}
+		}
+	};
+
+	var forms = '\\S+(?:\\s+\\S+)*';
+
+	var arglist = {
+		pattern: RegExp(par + '[\\s\\S]*' + endpar),
+		lookbehind: true,
+		inside: {
+			'rest-vars': {
+				pattern: RegExp('&(?:rest|body)\\s+' + forms),
+				inside: arg
+			},
+			'other-marker-vars': {
+				pattern: RegExp('&(?:optional|aux)\\s+' + forms),
+				inside: arg
+			},
+			keys: {
+				pattern: RegExp('&key\\s+' + forms + '(?:\\s+&allow-other-keys)?'),
+				inside: arg
+			},
+			argument: {
+				pattern: RegExp(symbol),
+				alias: 'variable'
+			},
+			punctuation: /[()]/
+		}
+	};
+
+	language['lambda'].inside.arguments = arglist;
+	language['defun'].inside.arguments = Prism.util.clone(arglist);
+	language['defun'].inside.arguments.inside.sublist = arglist;
+
+	Prism.languages.lisp = language;
+	Prism.languages.elisp = language;
+	Prism.languages.emacs = language;
+	Prism.languages['emacs-lisp'] = language;
+}(Prism));
+
+Prism.languages.lua = {
+	'comment': /^#!.+|--(?:\[(=*)\[[\s\S]*?\]\1\]|.*)/m,
+	// \z may be used to skip the following space
+	'string': {
+		pattern: /(["'])(?:(?!\1)[^\\\r\n]|\\z(?:\r\n|\s)|\\(?:\r\n|[\s\S]))*\1|\[(=*)\[[\s\S]*?\]\2\]/,
+		greedy: true
+	},
+	'number': /\b0x[a-f\d]+\.?[a-f\d]*(?:p[+-]?\d+)?\b|\b\d+(?:\.\B|\.?\d*(?:e[+-]?\d+)?\b)|\B\.\d+(?:e[+-]?\d+)?\b/i,
+	'keyword': /\b(?:and|break|do|else|elseif|end|false|for|function|goto|if|in|local|nil|not|or|repeat|return|then|true|until|while)\b/,
+	'function': /(?!\d)\w+(?=\s*(?:[({]))/,
+	'operator': [
+		/[-+*%^&|#]|\/\/?|<[<=]?|>[>=]?|[=~]=?/,
+		{
+			// Match ".." but don't break "..."
+			pattern: /(^|[^.])\.\.(?!\.)/,
+			lookbehind: true
+		}
+	],
+	'punctuation': /[\[\](){},;]|\.+|:+/
+};
+Prism.languages.makefile = {
+	'comment': {
+		pattern: /(^|[^\\])#(?:\\(?:\r\n|[\s\S])|[^\\\r\n])*/,
+		lookbehind: true
+	},
+	'string': {
+		pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
+		greedy: true
+	},
+
+	// Built-in target names
+	'builtin': /\.[A-Z][^:#=\s]+(?=\s*:(?!=))/,
+
+	// Targets
+	'symbol': {
+		pattern: /^[^:=\r\n]+(?=\s*:(?!=))/m,
+		inside: {
+			'variable': /\$+(?:[^(){}:#=\s]+|(?=[({]))/
+		}
+	},
+	'variable': /\$+(?:[^(){}:#=\s]+|\([@*%<^+?][DF]\)|(?=[({]))/,
+
+	'keyword': [
+		// Directives
+		/-include\b|\b(?:define|else|endef|endif|export|ifn?def|ifn?eq|include|override|private|sinclude|undefine|unexport|vpath)\b/,
+		// Functions
+		{
+			pattern: /(\()(?:addsuffix|abspath|and|basename|call|dir|error|eval|file|filter(?:-out)?|findstring|firstword|flavor|foreach|guile|if|info|join|lastword|load|notdir|or|origin|patsubst|realpath|shell|sort|strip|subst|suffix|value|warning|wildcard|word(?:s|list)?)(?=[ \t])/,
+			lookbehind: true
+		}
+	],
+	'operator': /(?:::|[?:+!])?=|[|@]/,
+	'punctuation': /[:;(){}]/
+};
+Prism.languages.perl = {
+	'comment': [
+		{
+			// POD
+			pattern: /(^\s*)=\w+[\s\S]*?=cut.*/m,
+			lookbehind: true
+		},
+		{
+			pattern: /(^|[^\\$])#.*/,
+			lookbehind: true
+		}
+	],
+	// TODO Could be nice to handle Heredoc too.
+	'string': [
+		// q/.../
+		{
+			pattern: /\b(?:q|qq|qx|qw)\s*([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1/,
+			greedy: true
+		},
+	
+		// q a...a
+		{
+			pattern: /\b(?:q|qq|qx|qw)\s+([a-zA-Z0-9])(?:(?!\1)[^\\]|\\[\s\S])*\1/,
+			greedy: true
+		},
+	
+		// q(...)
+		{
+			pattern: /\b(?:q|qq|qx|qw)\s*\((?:[^()\\]|\\[\s\S])*\)/,
+			greedy: true
+		},
+	
+		// q{...}
+		{
+			pattern: /\b(?:q|qq|qx|qw)\s*\{(?:[^{}\\]|\\[\s\S])*\}/,
+			greedy: true
+		},
+	
+		// q[...]
+		{
+			pattern: /\b(?:q|qq|qx|qw)\s*\[(?:[^[\]\\]|\\[\s\S])*\]/,
+			greedy: true
+		},
+	
+		// q<...>
+		{
+			pattern: /\b(?:q|qq|qx|qw)\s*<(?:[^<>\\]|\\[\s\S])*>/,
+			greedy: true
+		},
+
+		// "...", `...`
+		{
+			pattern: /("|`)(?:(?!\1)[^\\]|\\[\s\S])*\1/,
+			greedy: true
+		},
+
+		// '...'
+		// FIXME Multi-line single-quoted strings are not supported as they would break variables containing '
+		{
+			pattern: /'(?:[^'\\\r\n]|\\.)*'/,
+			greedy: true
+		}
+	],
+	'regex': [
+		// m/.../
+		{
+			pattern: /\b(?:m|qr)\s*([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1[msixpodualngc]*/,
+			greedy: true
+		},
+	
+		// m a...a
+		{
+			pattern: /\b(?:m|qr)\s+([a-zA-Z0-9])(?:(?!\1)[^\\]|\\[\s\S])*\1[msixpodualngc]*/,
+			greedy: true
+		},
+	
+		// m(...)
+		{
+			pattern: /\b(?:m|qr)\s*\((?:[^()\\]|\\[\s\S])*\)[msixpodualngc]*/,
+			greedy: true
+		},
+	
+		// m{...}
+		{
+			pattern: /\b(?:m|qr)\s*\{(?:[^{}\\]|\\[\s\S])*\}[msixpodualngc]*/,
+			greedy: true
+		},
+	
+		// m[...]
+		{
+			pattern: /\b(?:m|qr)\s*\[(?:[^[\]\\]|\\[\s\S])*\][msixpodualngc]*/,
+			greedy: true
+		},
+	
+		// m<...>
+		{
+			pattern: /\b(?:m|qr)\s*<(?:[^<>\\]|\\[\s\S])*>[msixpodualngc]*/,
+			greedy: true
+		},
+
+		// The lookbehinds prevent -s from breaking
+		// FIXME We don't handle change of separator like s(...)[...]
+		// s/.../.../
+		{
+			pattern: /(^|[^-]\b)(?:s|tr|y)\s*([^a-zA-Z0-9\s{(\[<])(?:(?!\2)[^\\]|\\[\s\S])*\2(?:(?!\2)[^\\]|\\[\s\S])*\2[msixpodualngcer]*/,
+			lookbehind: true,
+			greedy: true
+		},
+	
+		// s a...a...a
+		{
+			pattern: /(^|[^-]\b)(?:s|tr|y)\s+([a-zA-Z0-9])(?:(?!\2)[^\\]|\\[\s\S])*\2(?:(?!\2)[^\\]|\\[\s\S])*\2[msixpodualngcer]*/,
+			lookbehind: true,
+			greedy: true
+		},
+	
+		// s(...)(...)
+		{
+			pattern: /(^|[^-]\b)(?:s|tr|y)\s*\((?:[^()\\]|\\[\s\S])*\)\s*\((?:[^()\\]|\\[\s\S])*\)[msixpodualngcer]*/,
+			lookbehind: true,
+			greedy: true
+		},
+	
+		// s{...}{...}
+		{
+			pattern: /(^|[^-]\b)(?:s|tr|y)\s*\{(?:[^{}\\]|\\[\s\S])*\}\s*\{(?:[^{}\\]|\\[\s\S])*\}[msixpodualngcer]*/,
+			lookbehind: true,
+			greedy: true
+		},
+	
+		// s[...][...]
+		{
+			pattern: /(^|[^-]\b)(?:s|tr|y)\s*\[(?:[^[\]\\]|\\[\s\S])*\]\s*\[(?:[^[\]\\]|\\[\s\S])*\][msixpodualngcer]*/,
+			lookbehind: true,
+			greedy: true
+		},
+	
+		// s<...><...>
+		{
+			pattern: /(^|[^-]\b)(?:s|tr|y)\s*<(?:[^<>\\]|\\[\s\S])*>\s*<(?:[^<>\\]|\\[\s\S])*>[msixpodualngcer]*/,
+			lookbehind: true,
+			greedy: true
+		},
+	
+		// /.../
+		// The look-ahead tries to prevent two divisions on
+		// the same line from being highlighted as regex.
+		// This does not support multi-line regex.
+		{
+			pattern: /\/(?:[^\/\\\r\n]|\\.)*\/[msixpodualngc]*(?=\s*(?:$|[\r\n,.;})&|\-+*~<>!?^]|(lt|gt|le|ge|eq|ne|cmp|not|and|or|xor|x)\b))/,
+			greedy: true
+		}
+	],
+
+	// FIXME Not sure about the handling of ::, ', and #
+	'variable': [
+		// ${^POSTMATCH}
+		/[&*$@%]\{\^[A-Z]+\}/,
+		// $^V
+		/[&*$@%]\^[A-Z_]/,
+		// ${...}
+		/[&*$@%]#?(?=\{)/,
+		// $foo
+		/[&*$@%]#?(?:(?:::)*'?(?!\d)[\w$]+)+(?:::)*/i,
+		// $1
+		/[&*$@%]\d+/,
+		// $_, @_, %!
+		// The negative lookahead prevents from breaking the %= operator
+		/(?!%=)[$@%][!"#$%&'()*+,\-.\/:;<=>?@[\\\]^_`{|}~]/
+	],
+	'filehandle': {
+		// <>, <FOO>, _
+		pattern: /<(?![<=])\S*>|\b_\b/,
+		alias: 'symbol'
+	},
+	'vstring': {
+		// v1.2, 1.2.3
+		pattern: /v\d+(?:\.\d+)*|\d+(?:\.\d+){2,}/,
+		alias: 'string'
+	},
+	'function': {
+		pattern: /sub [a-z0-9_]+/i,
+		inside: {
+			keyword: /sub/
+		}
+	},
+	'keyword': /\b(?:any|break|continue|default|delete|die|do|else|elsif|eval|for|foreach|given|goto|if|last|local|my|next|our|package|print|redo|require|say|state|sub|switch|undef|unless|until|use|when|while)\b/,
+	'number': /\b(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0b[01](?:_?[01])*|(?:\d(?:_?\d)*)?\.?\d(?:_?\d)*(?:[Ee][+-]?\d+)?)\b/,
+	'operator': /-[rwxoRWXOezsfdlpSbctugkTBMAC]\b|\+[+=]?|-[-=>]?|\*\*?=?|\/\/?=?|=[=~>]?|~[~=]?|\|\|?=?|&&?=?|<(?:=>?|<=?)?|>>?=?|![~=]?|[%^]=?|\.(?:=|\.\.?)?|[\\?]|\bx(?:=|\b)|\b(?:lt|gt|le|ge|eq|ne|cmp|not|and|or|xor)\b/,
+	'punctuation': /[{}[\];(),:]/
+};
+
+Prism.languages.sql = {
+	'comment': {
+		pattern: /(^|[^\\])(?:\/\*[\s\S]*?\*\/|(?:--|\/\/|#).*)/,
+		lookbehind: true
+	},
+	'variable': [
+		{
+			pattern: /@(["'`])(?:\\[\s\S]|(?!\1)[^\\])+\1/,
+			greedy: true
+		},
+		/@[\w.$]+/
+	],
+	'string': {
+		pattern: /(^|[^@\\])("|')(?:\\[\s\S]|(?!\2)[^\\]|\2\2)*\2/,
+		greedy: true,
+		lookbehind: true
+	},
+	'function': /\b(?:AVG|COUNT|FIRST|FORMAT|LAST|LCASE|LEN|MAX|MID|MIN|MOD|NOW|ROUND|SUM|UCASE)(?=\s*\()/i, // Should we highlight user defined functions too?
+	'keyword': /\b(?:ACTION|ADD|AFTER|ALGORITHM|ALL|ALTER|ANALYZE|ANY|APPLY|AS|ASC|AUTHORIZATION|AUTO_INCREMENT|BACKUP|BDB|BEGIN|BERKELEYDB|BIGINT|BINARY|BIT|BLOB|BOOL|BOOLEAN|BREAK|BROWSE|BTREE|BULK|BY|CALL|CASCADED?|CASE|CHAIN|CHAR(?:ACTER|SET)?|CHECK(?:POINT)?|CLOSE|CLUSTERED|COALESCE|COLLATE|COLUMNS?|COMMENT|COMMIT(?:TED)?|COMPUTE|CONNECT|CONSISTENT|CONSTRAINT|CONTAINS(?:TABLE)?|CONTINUE|CONVERT|CREATE|CROSS|CURRENT(?:_DATE|_TIME|_TIMESTAMP|_USER)?|CURSOR|CYCLE|DATA(?:BASES?)?|DATE(?:TIME)?|DAY|DBCC|DEALLOCATE|DEC|DECIMAL|DECLARE|DEFAULT|DEFINER|DELAYED|DELETE|DELIMITERS?|DENY|DESC|DESCRIBE|DETERMINISTIC|DISABLE|DISCARD|DISK|DISTINCT|DISTINCTROW|DISTRIBUTED|DO|DOUBLE|DROP|DUMMY|DUMP(?:FILE)?|DUPLICATE|ELSE(?:IF)?|ENABLE|ENCLOSED|END|ENGINE|ENUM|ERRLVL|ERRORS|ESCAPED?|EXCEPT|EXEC(?:UTE)?|EXISTS|EXIT|EXPLAIN|EXTENDED|FETCH|FIELDS|FILE|FILLFACTOR|FIRST|FIXED|FLOAT|FOLLOWING|FOR(?: EACH ROW)?|FORCE|FOREIGN|FREETEXT(?:TABLE)?|FROM|FULL|FUNCTION|GEOMETRY(?:COLLECTION)?|GLOBAL|GOTO|GRANT|GROUP|HANDLER|HASH|HAVING|HOLDLOCK|HOUR|IDENTITY(?:_INSERT|COL)?|IF|IGNORE|IMPORT|INDEX|INFILE|INNER|INNODB|INOUT|INSERT|INT|INTEGER|INTERSECT|INTERVAL|INTO|INVOKER|ISOLATION|ITERATE|JOIN|KEYS?|KILL|LANGUAGE|LAST|LEAVE|LEFT|LEVEL|LIMIT|LINENO|LINES|LINESTRING|LOAD|LOCAL|LOCK|LONG(?:BLOB|TEXT)|LOOP|MATCH(?:ED)?|MEDIUM(?:BLOB|INT|TEXT)|MERGE|MIDDLEINT|MINUTE|MODE|MODIFIES|MODIFY|MONTH|MULTI(?:LINESTRING|POINT|POLYGON)|NATIONAL|NATURAL|NCHAR|NEXT|NO|NONCLUSTERED|NULLIF|NUMERIC|OFF?|OFFSETS?|ON|OPEN(?:DATASOURCE|QUERY|ROWSET)?|OPTIMIZE|OPTION(?:ALLY)?|ORDER|OUT(?:ER|FILE)?|OVER|PARTIAL|PARTITION|PERCENT|PIVOT|PLAN|POINT|POLYGON|PRECEDING|PRECISION|PREPARE|PREV|PRIMARY|PRINT|PRIVILEGES|PROC(?:EDURE)?|PUBLIC|PURGE|QUICK|RAISERROR|READS?|REAL|RECONFIGURE|REFERENCES|RELEASE|RENAME|REPEAT(?:ABLE)?|REPLACE|REPLICATION|REQUIRE|RESIGNAL|RESTORE|RESTRICT|RETURNS?|REVOKE|RIGHT|ROLLBACK|ROUTINE|ROW(?:COUNT|GUIDCOL|S)?|RTREE|RULE|SAVE(?:POINT)?|SCHEMA|SECOND|SELECT|SERIAL(?:IZABLE)?|SESSION(?:_USER)?|SET(?:USER)?|SHARE|SHOW|SHUTDOWN|SIMPLE|SMALLINT|SNAPSHOT|SOME|SONAME|SQL|START(?:ING)?|STATISTICS|STATUS|STRIPED|SYSTEM_USER|TABLES?|TABLESPACE|TEMP(?:ORARY|TABLE)?|TERMINATED|TEXT(?:SIZE)?|THEN|TIME(?:STAMP)?|TINY(?:BLOB|INT|TEXT)|TOP?|TRAN(?:SACTIONS?)?|TRIGGER|TRUNCATE|TSEQUAL|TYPES?|UNBOUNDED|UNCOMMITTED|UNDEFINED|UNION|UNIQUE|UNLOCK|UNPIVOT|UNSIGNED|UPDATE(?:TEXT)?|USAGE|USE|USER|USING|VALUES?|VAR(?:BINARY|CHAR|CHARACTER|YING)|VIEW|WAITFOR|WARNINGS|WHEN|WHERE|WHILE|WITH(?: ROLLUP|IN)?|WORK|WRITE(?:TEXT)?|YEAR)\b/i,
+	'boolean': /\b(?:TRUE|FALSE|NULL)\b/i,
+	'number': /\b0x[\da-f]+\b|\b\d+\.?\d*|\B\.\d+\b/i,
+	'operator': /[-+*\/=%^~]|&&?|\|\|?|!=?|<(?:=>?|<|>)?|>[>=]?|\b(?:AND|BETWEEN|IN|LIKE|NOT|OR|IS|DIV|REGEXP|RLIKE|SOUNDS LIKE|XOR)\b/i,
+	'punctuation': /[;[\]()`,.]/
+};
+
+Prism.languages.python = {
+	'comment': {
+		pattern: /(^|[^\\])#.*/,
+		lookbehind: true
+	},
+	'string-interpolation': {
+		pattern: /(?:f|rf|fr)(?:("""|''')[\s\S]+?\1|("|')(?:\\.|(?!\2)[^\\\r\n])*\2)/i,
+		greedy: true,
+		inside: {
+			'interpolation': {
+				// "{" <expression> <optional "!s", "!r", or "!a"> <optional ":" format specifier> "}"
+				pattern: /((?:^|[^{])(?:{{)*){(?!{)(?:[^{}]|{(?!{)(?:[^{}]|{(?!{)(?:[^{}])+})+})+}/,
+				lookbehind: true,
+				inside: {
+					'format-spec': {
+						pattern: /(:)[^:(){}]+(?=}$)/,
+						lookbehind: true
+					},
+					'conversion-option': {
+						pattern: /![sra](?=[:}]$)/,
+						alias: 'punctuation'
+					},
+					rest: null
+				}
+			},
+			'string': /[\s\S]+/
+		}
+	},
+	'triple-quoted-string': {
+		pattern: /(?:[rub]|rb|br)?("""|''')[\s\S]+?\1/i,
+		greedy: true,
+		alias: 'string'
+	},
+	'string': {
+		pattern: /(?:[rub]|rb|br)?("|')(?:\\.|(?!\1)[^\\\r\n])*\1/i,
+		greedy: true
+	},
+	'function': {
+		pattern: /((?:^|\s)def[ \t]+)[a-zA-Z_]\w*(?=\s*\()/g,
+		lookbehind: true
+	},
+	'class-name': {
+		pattern: /(\bclass\s+)\w+/i,
+		lookbehind: true
+	},
+	'decorator': {
+		pattern: /(^\s*)@\w+(?:\.\w+)*/i,
+		lookbehind: true,
+		alias: ['annotation', 'punctuation'],
+		inside: {
+			'punctuation': /\./
+		}
+	},
+	'keyword': /\b(?:and|as|assert|async|await|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|nonlocal|not|or|pass|print|raise|return|try|while|with|yield)\b/,
+	'builtin': /\b(?:__import__|abs|all|any|apply|ascii|basestring|bin|bool|buffer|bytearray|bytes|callable|chr|classmethod|cmp|coerce|compile|complex|delattr|dict|dir|divmod|enumerate|eval|execfile|file|filter|float|format|frozenset|getattr|globals|hasattr|hash|help|hex|id|input|int|intern|isinstance|issubclass|iter|len|list|locals|long|map|max|memoryview|min|next|object|oct|open|ord|pow|property|range|raw_input|reduce|reload|repr|reversed|round|set|setattr|slice|sorted|staticmethod|str|sum|super|tuple|type|unichr|unicode|vars|xrange|zip)\b/,
+	'boolean': /\b(?:True|False|None)\b/,
+	'number': /(?:\b(?=\d)|\B(?=\.))(?:0[bo])?(?:(?:\d|0x[\da-f])[\da-f]*\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,
+	'operator': /[-+%=]=?|!=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/,
+	'punctuation': /[{}[\];(),.:]/
+};
+
+Prism.languages.python['string-interpolation'].inside['interpolation'].inside.rest = Prism.languages.python;
+
+Prism.languages.py = Prism.languages.python;
+Prism.languages.scheme = {
+	'comment': /;.*/,
+	'string': {
+		pattern: /"(?:[^"\\]|\\.)*"|'[^()#'\s]+/,
+		greedy: true
+	},
+	'character': {
+		pattern: /#\\(?:[ux][a-fA-F\d]+|[a-zA-Z]+|\S)/,
+		alias: 'string'
+	},
+	'keyword': {
+		pattern: /(\()(?:define(?:-syntax|-library|-values)?|(?:case-)?lambda|let(?:\*|rec)?(?:-values)?|else|if|cond|begin|delay(?:-force)?|parameterize|guard|set!|(?:quasi-)?quote|syntax-rules)(?=[()\s])/,
+		lookbehind: true
+	},
+	'builtin': {
+		pattern: /(\()(?:(?:cons|car|cdr|list|call-with-current-continuation|call\/cc|append|abs|apply|eval)\b|null\?|pair\?|boolean\?|eof-object\?|char\?|procedure\?|number\?|port\?|string\?|vector\?|symbol\?|bytevector\?)(?=[()\s])/,
+		lookbehind: true
+	},
+	'number': {
+		pattern: /([\s()])[-+]?\d*\.?\d+(?:\s*[-+]\s*\d*\.?\d+i)?\b/,
+		lookbehind: true
+	},
+	'boolean': /#[tf]/,
+	'operator': {
+		pattern: /(\()(?:[-+*%\/]|[<>]=?|=>?)(?=\s|$)/,
+		lookbehind: true
+	},
+	'function': {
+		pattern: /(\()[^()'\s]+(?=[()\s)]|$)/,
+		lookbehind: true
+	},
+	'punctuation': /[()']/
+};
+
+Prism.languages.yaml = {
+	'scalar': {
+		pattern: /([\-:]\s*(?:![^\s]+)?[ \t]*[|>])[ \t]*(?:((?:\r?\n|\r)[ \t]+)[^\r\n]+(?:\2[^\r\n]+)*)/,
+		lookbehind: true,
+		alias: 'string'
+	},
+	'comment': /#.*/,
+	'key': {
+		pattern: /(\s*(?:^|[:\-,[{\r\n?])[ \t]*(?:![^\s]+)?[ \t]*)[^\r\n{[\]},#\s]+?(?=\s*:\s)/,
+		lookbehind: true,
+		alias: 'atrule'
+	},
+	'directive': {
+		pattern: /(^[ \t]*)%.+/m,
+		lookbehind: true,
+		alias: 'important'
+	},
+	'datetime': {
+		pattern: /([:\-,[{]\s*(?:![^\s]+)?[ \t]*)(?:\d{4}-\d\d?-\d\d?(?:[tT]|[ \t]+)\d\d?:\d{2}:\d{2}(?:\.\d*)?[ \t]*(?:Z|[-+]\d\d?(?::\d{2})?)?|\d{4}-\d{2}-\d{2}|\d\d?:\d{2}(?::\d{2}(?:\.\d*)?)?)(?=[ \t]*(?:$|,|]|}))/m,
+		lookbehind: true,
+		alias: 'number'
+	},
+	'boolean': {
+		pattern: /([:\-,[{]\s*(?:![^\s]+)?[ \t]*)(?:true|false)[ \t]*(?=$|,|]|})/im,
+		lookbehind: true,
+		alias: 'important'
+	},
+	'null': {
+		pattern: /([:\-,[{]\s*(?:![^\s]+)?[ \t]*)(?:null|~)[ \t]*(?=$|,|]|})/im,
+		lookbehind: true,
+		alias: 'important'
+	},
+	'string': {
+		pattern: /([:\-,[{]\s*(?:![^\s]+)?[ \t]*)("|')(?:(?!\2)[^\\\r\n]|\\.)*\2(?=[ \t]*(?:$|,|]|}|\s*#))/m,
+		lookbehind: true,
+		greedy: true
+	},
+	'number': {
+		pattern: /([:\-,[{]\s*(?:![^\s]+)?[ \t]*)[+-]?(?:0x[\da-f]+|0o[0-7]+|(?:\d+\.?\d*|\.?\d+)(?:e[+-]?\d+)?|\.inf|\.nan)[ \t]*(?=$|,|]|})/im,
+		lookbehind: true
+	},
+	'tag': /![^\s]+/,
+	'important': /[&*][\w]+/,
+	'punctuation': /---|[:[\]{}\-,|>?]|\.\.\./
+};
+
+Prism.languages.yml = Prism.languages.yaml;
diff --git a/themes/elenq/templates/base.html b/themes/elenq/templates/base.html
index 7d64a88..ba621d7 100644
--- a/themes/elenq/templates/base.html
+++ b/themes/elenq/templates/base.html
@@ -35,6 +35,9 @@
     <link rel="stylesheet" href="{{ SITEURL }}/{{ THEME_STATIC_DIR }}/css/skeleton.css">
     <link rel="stylesheet" href="{{ SITEURL }}/{{ THEME_STATIC_DIR }}/css/style.css">
     <link rel="stylesheet" href="{{ SITEURL }}/{{ THEME_STATIC_DIR }}/css/fonts.css">
+    <link rel="stylesheet" href="{{ SITEURL }}/{{ THEME_STATIC_DIR }}/css/prism.css">
+
+    <script type="text/javascript" async src="{{ SITEURL }}/{{ THEME_STATIC_DIR }}/js/prism.js"></script>
   </head>
 
   <body id="index" class="home">