JSLint fixes, documentation updates.

Author: jdorn

README.md

@@ -301,17 +301,21 @@ JSON Editor can integrate with several popular CSS frameworks out of the box.
 
 The currently supported themes are:
 
+*  barebones
 *  html (the default)
 *  bootstrap2
 *  bootstrap3
 *  foundation3
 *  foundation4
 *  foundation5
+*  foundation6
 *  jqueryui
 
-The default theme is `html`, which doesn't use any special class names or styling.
+The default theme is `html`, which does not rely on an external framework.
 This default can be changed by setting the `JSONEditor.defaults.options.theme` variable.
 
+If you want to specify your own styles with CSS, you can use `barebones`, which includes almost no classes or inline styles.
+
 ```javascript
 JSONEditor.defaults.options.theme = 'foundation5';
 ```
@@ -421,15 +425,16 @@ Simple text link
 }
 ```
 
-Make link download when clicked (can also )
+Make link download when clicked
 ```js+jinja
 {
   "title": "Document filename",
   "type": "string",
   "links": [
     {
+      "rel": "Download File",
       "href": "/documents/{{self}}",
-      // Can also specify a filename string here instead of `true`
+      // Can also set `download` to a string as per the HTML5 spec
       "download": true
     }
   ]
@@ -598,6 +603,7 @@ __Ace Editor__ is a syntax highlighting source code editor. You can use it by se
 *  ejs
 *  erlang
 *  golang
+*  groovy
 *  handlebars
 *  haskell
 *  haxe
@@ -747,7 +753,9 @@ Editors can accept options which alter the behavior in some way.
 
 *  `collapsed` - If set to true, the editor will start collapsed (works for objects and arrays)
 *  `disable_array_add` - If set to true, the "add row" button will be hidden (works for arrays)
-*  `disable_array_delete` - If set to true, the "delete row" buttons will be hidden (works for arrays)
+*  `disable_array_delete` - If set to true, all of the "delete" buttons will be hidden (works for arrays)
+*  `disable_array_delete_all_rows` - If set to true, just the "delete all rows" button will be hidden (works for arrays)
+*  `disable_array_delete_last_row` - If set to true, just the "delete last row" buttons will be hidden (works for arrays)
 *  `disable_array_reorder` - If set to true, the "move up/down" buttons will be hidden (works for arrays)
 *  `disable_collapse` - If set to true, the collapse button will be hidden (works for objects and arrays)
 *  `disable_edit_json` - If set to true, the Edit JSON button will be hidden (works for objects)

demo.html

@@ -44,13 +44,15 @@ <h2>Options</h2>
                 <div>
                     <label>CSS Framework</label>
                     <select id='theme_switcher' class='form-control'>
-                        <option value='html'>None</option>
+                        <option value='barebones'>Barebones</option>
+                        <option value='html'>HTML</option>
                         <option value='jqueryui'>jQuery UI</option>
                         <option value='bootstrap2'>Bootstrap 2</option>
                         <option value='bootstrap3'>Bootstrap 3</option>
                         <option value='foundation3'>Foundation 3</option>
                         <option value='foundation4'>Foundation 4</option>
                         <option value='foundation5'>Foundation 5</option>
+                        <option value='foundation6'>Foundation 6</option>
                     </select>
                 </div>
                 <div>
@@ -333,12 +335,14 @@ <h2>Code</h2>
         theme = theme || '';
 
         var mapping = {
+            barebones: '',
             html: '',
             bootstrap2: '//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css',
             bootstrap3: '//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css',
             foundation3: '//cdnjs.cloudflare.com/ajax/libs/foundation/3.2.5/stylesheets/foundation.css',
             foundation4: '//cdn.jsdelivr.net/foundation/4.3.2/css/foundation.min.css',
             foundation5: '//cdn.jsdelivr.net/foundation/5.0.2/css/foundation.min.css',
+            foundation6: '//cdn.jsdelivr.net/foundation/6.2.1/foundation.min.css',
             jqueryui: '//code.jquery.com/ui/1.10.3/themes/south-street/jquery-ui.css'
         };
 

src/themes/foundation.js

@@ -279,6 +279,8 @@ JSONEditor.defaults.themes.foundation6 = JSONEditor.defaults.themes.foundation5.
   removeInputError: function(input) {
     if(!input.errmsg) return;
     input.className = input.className.replace(/ is-invalid-input/g,'');
-    input.errmsg.parentNode.removeChild(input.errmsg);
+    if(input.errmsg.parentNode) {
+      input.errmsg.parentNode.removeChild(input.errmsg);
+    }
   },
-})
+});