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Changes between Version 1 and Version 2 of Ticket #22773, comment 1

-                      v1
+                      v2
 For example if we add through the action hook html code like this:
+{{{
 <label class="setting">
         <span><?php _e( 'custom_field' ); ?></span>
         <input type="checkbox" data-setting="custom_field" />
 </label>
+}}}
 in the shortcut code there will be a custom_field=true, because the media-editor.js already deals with other arguments we add there.