Min. Requirements corrected.

Most demanding for later versions is DOMParser().parseFromString("", "text/html").
Internet Explorer would be possible if input-output.js implemented proprietary msSaveBlob().

help.html

@@ -107,11 +107,11 @@ <h2>File Format</h2>
 
 		<h2>Min. Requirements</h2>
 		<ul>
-			<li>Internet Explorer 11</li>
-			<li>Chrome 26</li>
+			<li>Chrome 31</li>
+			<li>Edge 12</li>
 			<li>Firefox 14</li>
-			<li>Opera 15</li>
-			<li>Safari 7</li>
+			<li>Opera 17</li>
+			<li>Safari 9.1</li>
 		</ul>
 		<p class="highlight">Beware that not all customized browsers allow all shortcuts (do check Ctrl+S (DOT file save) functionality).
 		</p>