kmx.io/prism.js

diff --git a/components/prism-markdown.js b/components/prism-markdown.js
index 529e1ff..386fd16 100644
--- a/components/prism-markdown.js
+++ b/components/prism-markdown.js
@@ -280,7 +280,12 @@
 					typeof codeLang.content === 'string') {
 
 					// this might be a language that Prism does not support
-					var alias = 'language-' + codeLang.content.trim().split(/\s+/)[0].toLowerCase();
+
+					// do some replacements to support C++, C#, and F#
+					var lang = codeLang.content.replace(/\b#/g, 'sharp').replace(/\b\+\+/g, 'pp')
+					// only use the first word
+					lang = (/[a-z][\w-]*/i.exec(lang) || [''])[0].toLowerCase();
+					var alias = 'language-' + lang;
 
 					// add alias
 					if (!codeBlock.alias) {
diff --git a/components/prism-markdown.min.js b/components/prism-markdown.min.js
index baa2eae..fd30703 100644
--- a/components/prism-markdown.min.js
+++ b/components/prism-markdown.min.js
@@ -1 +1 @@
-!function(d){function n(n,e){return n=n.replace(/<inner>/g,"(?:\\\\.|[^\\\\\\n\r]|(?:\r?\n|\r)(?!\r?\n|\r))"),e&&(n=n+"|"+n.replace(/_/g,"\\*")),RegExp("((?:^|[^\\\\])(?:\\\\{2})*)(?:"+n+")")}var e="(?:\\\\.|``.+?``|`[^`\r\\n]+`|[^\\\\|\r\\n`])+",t="\\|?__(?:\\|__)+\\|?(?:(?:\r?\n|\r)|$)".replace(/__/g,e),a="\\|?[ \t]*:?-{3,}:?[ \t]*(?:\\|[ \t]*:?-{3,}:?[ \t]*)+\\|?(?:\r?\n|\r)";d.languages.markdown=d.languages.extend("markup",{}),d.languages.insertBefore("markdown","prolog",{blockquote:{pattern:/^>(?:[\t ]*>)*/m,alias:"punctuation"},table:{pattern:RegExp("^"+t+a+"(?:"+t+")*","m"),inside:{"table-data-rows":{pattern:RegExp("^("+t+a+")(?:"+t+")*$"),lookbehind:!0,inside:{"table-data":{pattern:RegExp(e),inside:d.languages.markdown},punctuation:/\|/}},"table-line":{pattern:RegExp("^("+t+")"+a+"$"),lookbehind:!0,inside:{punctuation:/\||:?-{3,}:?/}},"table-header-row":{pattern:RegExp("^"+t+"$"),inside:{"table-header":{pattern:RegExp(e),alias:"important",inside:d.languages.markdown},punctuation:/\|/}}}},code:[{pattern:/(^[ \t]*(?:\r?\n|\r))(?: {4}|\t).+(?:(?:\r?\n|\r)(?: {4}|\t).+)*/m,lookbehind:!0,alias:"keyword"},{pattern:/``.+?``|`[^`\r\n]+`/,alias:"keyword"},{pattern:/^```[\s\S]*?^```$/m,greedy:!0,inside:{"code-block":{pattern:/^(```.*(?:\r?\n|\r))[\s\S]+?(?=(?:\r?\n|\r)^```$)/m,lookbehind:!0},"code-language":{pattern:/^(```).+/,lookbehind:!0},punctuation:/```/}}],title:[{pattern:/\S.*(?:\r?\n|\r)(?:==+|--+)(?=[ \t]*$)/m,alias:"important",inside:{punctuation:/==+$|--+$/}},{pattern:/(^\s*)#+.+/m,lookbehind:!0,alias:"important",inside:{punctuation:/^#+|#+$/}}],hr:{pattern:/(^\s*)([*-])(?:[\t ]*\2){2,}(?=\s*$)/m,lookbehind:!0,alias:"punctuation"},list:{pattern:/(^\s*)(?:[*+-]|\d+\.)(?=[\t ].)/m,lookbehind:!0,alias:"punctuation"},"url-reference":{pattern:/!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:\\.|[^>\\])+>)(?:[\t ]+(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\)))?/,inside:{variable:{pattern:/^(!?\[)[^\]]+/,lookbehind:!0},string:/(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\))$/,punctuation:/^[\[\]!:]|[<>]/},alias:"url"},bold:{pattern:n("__(?:(?!_)<inner>|_(?:(?!_)<inner>)+_)+__",!0),lookbehind:!0,greedy:!0,inside:{content:{pattern:/(^..)[\s\S]+(?=..$)/,lookbehind:!0,inside:{}},punctuation:/\*\*|__/}},italic:{pattern:n("_(?:(?!_)<inner>|__(?:(?!_)<inner>)+__)+_",!0),lookbehind:!0,greedy:!0,inside:{content:{pattern:/(^.)[\s\S]+(?=.$)/,lookbehind:!0,inside:{}},punctuation:/[*_]/}},strike:{pattern:n("(~~?)(?:(?!~)<inner>)+?\\2",!1),lookbehind:!0,greedy:!0,inside:{content:{pattern:/(^~~?)[\s\S]+(?=\1$)/,lookbehind:!0,inside:{}},punctuation:/~~?/}},url:{pattern:n('!?\\[(?:(?!\\])<inner>)+\\](?:\\([^\\s)]+(?:[\t ]+"(?:\\\\.|[^"\\\\])*")?\\)| ?\\[(?:(?!\\])<inner>)+\\])',!1),lookbehind:!0,greedy:!0,inside:{variable:{pattern:/(\[)[^\]]+(?=\]$)/,lookbehind:!0},content:{pattern:/(^!?\[)[^\]]+(?=\])/,lookbehind:!0,inside:{}},string:{pattern:/"(?:\\.|[^"\\])*"(?=\)$)/}}}}),["url","bold","italic","strike"].forEach(function(e){["url","bold","italic","strike"].forEach(function(n){e!==n&&(d.languages.markdown[e].inside.content.inside[n]=d.languages.markdown[n])})}),d.hooks.add("after-tokenize",function(n){"markdown"!==n.language&&"md"!==n.language||!function n(e){if(e&&"string"!=typeof e)for(var t=0,a=e.length;t<a;t++){var i=e[t];if("code"===i.type){var r=i.content[1],o=i.content[3];if(r&&o&&"code-language"===r.type&&"code-block"===o.type&&"string"==typeof r.content){var l="language-"+r.content.trim().split(/\s+/)[0].toLowerCase();o.alias?"string"==typeof o.alias?o.alias=[o.alias,l]:o.alias.push(l):o.alias=[l]}}else n(i.content)}}(n.tokens)}),d.hooks.add("wrap",function(n){if("code-block"===n.type){for(var e="",t=0,a=n.classes.length;t<a;t++){var i=n.classes[t],r=/language-(.+)/.exec(i);if(r){e=r[1];break}}var o=d.languages[e];if(o){var l=n.content.replace(/&lt;/g,"<").replace(/&amp;/g,"&");n.content=d.highlight(l,o,e)}else if(e&&"none"!==e&&d.plugins.autoloader){var s="md-"+(new Date).valueOf()+"-"+Math.floor(1e16*Math.random());n.attributes.id=s,d.plugins.autoloader.loadLanguages(e,function(){var n=document.getElementById(s);n&&(n.innerHTML=d.highlight(n.textContent,d.languages[e],e))})}}}),d.languages.md=d.languages.markdown}(Prism);
\ No newline at end of file
+!function(d){function n(n,e){return n=n.replace(/<inner>/g,"(?:\\\\.|[^\\\\\\n\r]|(?:\r?\n|\r)(?!\r?\n|\r))"),e&&(n=n+"|"+n.replace(/_/g,"\\*")),RegExp("((?:^|[^\\\\])(?:\\\\{2})*)(?:"+n+")")}var e="(?:\\\\.|``.+?``|`[^`\r\\n]+`|[^\\\\|\r\\n`])+",t="\\|?__(?:\\|__)+\\|?(?:(?:\r?\n|\r)|$)".replace(/__/g,e),a="\\|?[ \t]*:?-{3,}:?[ \t]*(?:\\|[ \t]*:?-{3,}:?[ \t]*)+\\|?(?:\r?\n|\r)";d.languages.markdown=d.languages.extend("markup",{}),d.languages.insertBefore("markdown","prolog",{blockquote:{pattern:/^>(?:[\t ]*>)*/m,alias:"punctuation"},table:{pattern:RegExp("^"+t+a+"(?:"+t+")*","m"),inside:{"table-data-rows":{pattern:RegExp("^("+t+a+")(?:"+t+")*$"),lookbehind:!0,inside:{"table-data":{pattern:RegExp(e),inside:d.languages.markdown},punctuation:/\|/}},"table-line":{pattern:RegExp("^("+t+")"+a+"$"),lookbehind:!0,inside:{punctuation:/\||:?-{3,}:?/}},"table-header-row":{pattern:RegExp("^"+t+"$"),inside:{"table-header":{pattern:RegExp(e),alias:"important",inside:d.languages.markdown},punctuation:/\|/}}}},code:[{pattern:/(^[ \t]*(?:\r?\n|\r))(?: {4}|\t).+(?:(?:\r?\n|\r)(?: {4}|\t).+)*/m,lookbehind:!0,alias:"keyword"},{pattern:/``.+?``|`[^`\r\n]+`/,alias:"keyword"},{pattern:/^```[\s\S]*?^```$/m,greedy:!0,inside:{"code-block":{pattern:/^(```.*(?:\r?\n|\r))[\s\S]+?(?=(?:\r?\n|\r)^```$)/m,lookbehind:!0},"code-language":{pattern:/^(```).+/,lookbehind:!0},punctuation:/```/}}],title:[{pattern:/\S.*(?:\r?\n|\r)(?:==+|--+)(?=[ \t]*$)/m,alias:"important",inside:{punctuation:/==+$|--+$/}},{pattern:/(^\s*)#+.+/m,lookbehind:!0,alias:"important",inside:{punctuation:/^#+|#+$/}}],hr:{pattern:/(^\s*)([*-])(?:[\t ]*\2){2,}(?=\s*$)/m,lookbehind:!0,alias:"punctuation"},list:{pattern:/(^\s*)(?:[*+-]|\d+\.)(?=[\t ].)/m,lookbehind:!0,alias:"punctuation"},"url-reference":{pattern:/!?\[[^\]]+\]:[\t ]+(?:\S+|<(?:\\.|[^>\\])+>)(?:[\t ]+(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\)))?/,inside:{variable:{pattern:/^(!?\[)[^\]]+/,lookbehind:!0},string:/(?:"(?:\\.|[^"\\])*"|'(?:\\.|[^'\\])*'|\((?:\\.|[^)\\])*\))$/,punctuation:/^[\[\]!:]|[<>]/},alias:"url"},bold:{pattern:n("__(?:(?!_)<inner>|_(?:(?!_)<inner>)+_)+__",!0),lookbehind:!0,greedy:!0,inside:{content:{pattern:/(^..)[\s\S]+(?=..$)/,lookbehind:!0,inside:{}},punctuation:/\*\*|__/}},italic:{pattern:n("_(?:(?!_)<inner>|__(?:(?!_)<inner>)+__)+_",!0),lookbehind:!0,greedy:!0,inside:{content:{pattern:/(^.)[\s\S]+(?=.$)/,lookbehind:!0,inside:{}},punctuation:/[*_]/}},strike:{pattern:n("(~~?)(?:(?!~)<inner>)+?\\2",!1),lookbehind:!0,greedy:!0,inside:{content:{pattern:/(^~~?)[\s\S]+(?=\1$)/,lookbehind:!0,inside:{}},punctuation:/~~?/}},url:{pattern:n('!?\\[(?:(?!\\])<inner>)+\\](?:\\([^\\s)]+(?:[\t ]+"(?:\\\\.|[^"\\\\])*")?\\)| ?\\[(?:(?!\\])<inner>)+\\])',!1),lookbehind:!0,greedy:!0,inside:{variable:{pattern:/(\[)[^\]]+(?=\]$)/,lookbehind:!0},content:{pattern:/(^!?\[)[^\]]+(?=\])/,lookbehind:!0,inside:{}},string:{pattern:/"(?:\\.|[^"\\])*"(?=\)$)/}}}}),["url","bold","italic","strike"].forEach(function(e){["url","bold","italic","strike"].forEach(function(n){e!==n&&(d.languages.markdown[e].inside.content.inside[n]=d.languages.markdown[n])})}),d.hooks.add("after-tokenize",function(n){"markdown"!==n.language&&"md"!==n.language||!function n(e){if(e&&"string"!=typeof e)for(var t=0,a=e.length;t<a;t++){var i=e[t];if("code"===i.type){var r=i.content[1],o=i.content[3];if(r&&o&&"code-language"===r.type&&"code-block"===o.type&&"string"==typeof r.content){var l=r.content.replace(/\b#/g,"sharp").replace(/\b\+\+/g,"pp"),s="language-"+(l=(/[a-z][\w-]*/i.exec(l)||[""])[0].toLowerCase());o.alias?"string"==typeof o.alias?o.alias=[o.alias,s]:o.alias.push(s):o.alias=[s]}}else n(i.content)}}(n.tokens)}),d.hooks.add("wrap",function(n){if("code-block"===n.type){for(var e="",t=0,a=n.classes.length;t<a;t++){var i=n.classes[t],r=/language-(.+)/.exec(i);if(r){e=r[1];break}}var o=d.languages[e];if(o){var l=n.content.replace(/&lt;/g,"<").replace(/&amp;/g,"&");n.content=d.highlight(l,o,e)}else if(e&&"none"!==e&&d.plugins.autoloader){var s="md-"+(new Date).valueOf()+"-"+Math.floor(1e16*Math.random());n.attributes.id=s,d.plugins.autoloader.loadLanguages(e,function(){var n=document.getElementById(s);n&&(n.innerHTML=d.highlight(n.textContent,d.languages[e],e))})}}}),d.languages.md=d.languages.markdown}(Prism);
\ No newline at end of file
diff --git a/tests/languages/markdown/code_block_language_detection_feature.js b/tests/languages/markdown/code_block_language_detection_feature.js
new file mode 100644
index 0000000..c980b6c
--- /dev/null
+++ b/tests/languages/markdown/code_block_language_detection_feature.js
@@ -0,0 +1,11 @@
+module.exports = {
+
+	'```js\nlet a = 0;\n```': '<span class="token code"><span class="token punctuation">```</span><span class="token code-language">js</span>\n<span class="token code-block language-js">let a = 0;</span>\n<span class="token punctuation">```</span></span>',
+
+	'``` c++\nint a = 0;\n```': '<span class="token code"><span class="token punctuation">```</span><span class="token code-language"> c++</span>\n<span class="token code-block language-cpp">int a = 0;</span>\n<span class="token punctuation">```</span></span>',
+
+	'``` c#\nvar a = 0;\n```': '<span class="token code"><span class="token punctuation">```</span><span class="token code-language"> c#</span>\n<span class="token code-block language-csharp">var a = 0;</span>\n<span class="token punctuation">```</span></span>',
+
+	'```{r pressure, echo=FALSE}\nplot(pressure)\n```': '<span class="token code"><span class="token punctuation">```</span><span class="token code-language">{r pressure, echo=FALSE}</span>\n<span class="token code-block language-r">plot(pressure)</span>\n<span class="token punctuation">```</span></span>'
+
+};