Make input escaping optional. Fixes #11

converter.js

@@ -12,6 +12,8 @@
     latexEnvironment: 'array',
 
     latexEscape: function(text) {
+      if(!$('#escape').is(':checked')) return text;
+
       var escapeRegExpr = function(str) {
         return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
       };

index.html

@@ -29,6 +29,12 @@
         <select id="workbook" name="workbook"></select>
 
         <textarea id="latex-output" readonly="readonly" onclick="this.select();"></textarea>
+
+        <div class="settings">
+          <input type="checkbox" name="escape" id="escape" checked="checked">
+          <label for="escape">Escape input text</label>
+        </div>
+
         <p>Mostly untested, so if you find a bug or have a feature request, <a href="https://github.com/eric-wood/excel2latex/issues">let me know!</a>
         <p class="disclaimer">Note: this only works with .xlsx files. That means .xls files will <b>not</b> work.</p>
         <p>Formatting from the Excel document won't be preserved, only the text will be extracted.</p>