--- a/materials/info.php	Tue Dec 29 07:58:43 2015 +0200
+++ b/materials/info.php	Tue Dec 29 10:31:38 2015 +0200
@@ -81,6 +81,7 @@
    td.impossible { background: black; color: #f00; text-align: center; }
  </style>
 ");
+
 ?>
 <h1><? echo $pageTitle; ?></h1>
 <form action="<? echo $pageIndex; ?>" method="get">
@@ -111,14 +112,15 @@
     $tmp[] = "<b>".$key."</b>";
   echo "<li>Thanks to the following people for providing alloying data: ".join(", ", $tmp).".</li>";
 }
-?>
-   </ul>
-  </td>
- </tr>
- <tr>
-  <td class="icenter">
-   <select name="o">
-<?
+
+echo
+  "   <ul>\n".
+  "  </td>\n".
+  " </tr>\n".
+  " <tr>\n".
+  "  <td class=\"icenter\">\n".
+  "   <select name=\"o\">\n";
+
 foreach ($matTypeTable as $key => $value)
 {
   $n = 0;
@@ -137,16 +139,16 @@
     chentities($value[0]), $n);
 }
 
-?>
-   </select>
-  </td>
- </tr>
- <tr>
-  <td class="icenter"><input type="submit" value=" Filter " class="isubmit" /></td>
- </tr>
-</table>
-</form>
-<?
+echo
+  "   </select>\n".
+  "  </td>\n".
+  " </tr>\n".
+  " <tr>\n".
+  "  <td class=\"icenter\"><input type=\"submit\" value=\" Filter \" class=\"isubmit\" /></td>\n".
+  " </tr>\n".
+  "</table>\n".
+  "</form>\n";
+
 if (isset($setShowMat))
 {
   if (!isset($matDataTable[$setShowMat]))