Merge pull request #128 from writeas/fix-c-syntax-highlighting

Fix #124 according to the snippet by @mrvdb

templates/include/post-render.tmpl

@@ -6,8 +6,22 @@
     var hlbaseUri = "/js/";
     var lb = document.querySelectorAll("code[class^='language-']");
 
-    // Set langs to the langs that are included by default (for now: 'common set' on CDN)
-    var langs = [];
+
+    // Custom aliasmap
+    var aliasmap = {
+      "elisp"      : "lisp",
+      "emacs-lisp" : "lisp",
+      "c"          : "cpp",
+      "cc"         : "cpp",
+      "h"          : "cpp",
+      "c++"        : "cpp",
+      "h++"        : "cpp",
+      "hpp"        : "cpp",
+      "hh"         : "cpp",
+      "hxx"        : "cpp",
+      "cxx"        : "cpp",
+      "sh"         : "bash"
+    };
     
     // Given a set of nodes, run highlighting on them
     function highlight(nodes) {
@@ -22,7 +36,7 @@
         var sc = document.createElement('script');
         sc.src = uri;
         sc.async = false; // critical?
-	// Set callback on last script
+	  // Set callback on last script
         if (uris.indexOf(uri) == uris.length-1) {
 	  // Set callback regardless
 	  // so we're sure it will run if last element had error
@@ -46,8 +60,10 @@
       // Check what we need to load
       for (i=0; i < lb.length; i++) {
         lang = lb[i].className.replace('language-','');
+        // Support the aliases specified above
+        if (aliasmap[lang]) lang = aliasmap[lang];
         lurl = hlbaseUri + "highlightjs/" + lang + ".min.js";
-        if (!(langs.includes(lang) || jss.includes(lurl))) {
+        if (!jss.includes(lurl)) {
           jss.push(lurl);
         }
       }