diff --git a/www/js/app.js b/www/js/app.js
index f078b557..a5fb4e15 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -1691,7 +1691,7 @@ define(['jquery', 'zimArchiveLoader', 'util', 'uiUtil', 'cookies', 'q', 'module'
         
      //TESTING - find out whether document contains MathSVGs
         //Replace inline Math TeX with dummy images
-        if (params.useMathJax) htmlArticle = htmlArticle.replace(/\$\$?((?:[^$<>]|<\s|\s>)+)\$\$?([\s<.,;:?!])/g, '<img alt="$1" class="mwe-math-fallback-image" />$2');
+        if (params.useMathJax) htmlArticle = htmlArticle.replace(/\$\$?((?:[^$<>]|<\s|\s>)+)\$\$?([\s<.,;:?!'"])/g, '<img alt="$1" class="mwe-math-fallback-image" />$2');
         var containsMathSVG = /alt\s*=\s*['"][^'"]+['"][^>]+mwe-math-fallback-image|mwe-math-fallback-image[^>]+alt\s*=\s*['"][^'"]+['"]/i.test(htmlArticle);
         
      //Preload stylesheets [kiwix-js @149]
@@ -1898,17 +1898,12 @@ define(['jquery', 'zimArchiveLoader', 'util', 'uiUtil', 'cookies', 'q', 'module'
                 $('#articleContent').contents().find('head').append("<base href='" + baseUrl + "'>");
 
                 //Load MathJax if required and if not already loaded
-                //if (containsMathSVG || containsMathTeX) {
                 if (containsMathSVG) {
                     if (params.useMathJax && !window.frames[0].MathJax) {
                         var doc = $("#articleContent").contents()[0];
                         var script = doc.createElement("script");
                         script.type = "text/javascript";
                         script.src = "/www/js/MathJax/MathJax.js?config=TeX-AMS_HTML-full";
-                        //if (containsMathTeX) script.innerHTML = "MathJax.Hub.Config({\n" +
-                        //    "tex2jax: { inlineMath: [['$','$'], ['\\\\(','\\\\)']] }\n" +
-                        //    "});\n" +
-                        //    "MathJax.Hub.Queue(['Typeset', MathJax.Hub]);";
                         doc.head.appendChild(script);
                     }
                 }
diff --git a/www/js/init.js b/www/js/init.js
index c1079b33..2bc28db5 100644
--- a/www/js/init.js
+++ b/www/js/init.js
@@ -70,7 +70,7 @@ var versionDivs = document.getElementsByClassName('fileVersion');
 for (var i = 0; i < versionDivs.length; i++) {
     versionDivs[i].innerHTML = i ? params.fileVersion.replace(/\s+.+$/, "") : params['fileVersion'];
 }
-if (!params.showFileSelectors && params.packagedFile && params.storedFile && (params.storedFile != params.packagedFile)) {
+if (!params.showFileSelectors && params.packagedFile && params.storedFile && params.storedFile != params.packagedFile) {
     var currentArchive = document.getElementById('currentArchive');
     if (currentArchive) {
         currentArchive.innerHTML = "Currently loaded archive: <b>" + params.storedFile.replace(/\.zim$/i, "") + "</b>";