diff --git a/mod/resource/config.html b/mod/resource/config.html
index 4118cafe5a8..0bf8ea37e6f 100644
--- a/mod/resource/config.html
+++ b/mod/resource/config.html
@@ -3,8 +3,8 @@
 
 <table cellpadding="9" cellspacing="0" >
 <tr valign="top">
-	<td align="right">resource_framesize:</td>
-	<td>
+    <td align="right">resource_framesize:</td>
+    <td>
     <input name="resource_framesize" type="text" size="5" value="<?php p($CFG->resource_framesize) ?>" />
     </td>
     <td>
@@ -12,8 +12,8 @@
     </td>
 </tr>
 <tr valign="top">
-	<td align="right">resource_websearch:</td>
-	<td>
+    <td align="right">resource_websearch:</td>
+    <td>
     <input name="resource_websearch" type="text" size="30" value="<?php p($CFG->resource_websearch) ?>" />
     </td>
     <td>
@@ -21,8 +21,8 @@
     </td>
 </tr>
 <tr valign="top">
-	<td align="right">resource_defaulturl:</td>
-	<td>
+    <td align="right">resource_defaulturl:</td>
+    <td>
     <input name="resource_defaulturl" type="text" size="30" value="<?php p($CFG->resource_defaulturl) ?>" />
     </td>
     <td>
@@ -30,8 +30,8 @@
     </td>
 </tr>
 <tr valign="top">
-	<td align="right">resource_secretphrase:</td>
-	<td>
+    <td align="right">resource_secretphrase:</td>
+    <td>
     <input name="resource_secretphrase" type="text" size="30" value="<?php p($CFG->resource_secretphrase) ?>" />
     </td>
     <td>
@@ -39,8 +39,8 @@
     </td>
 </tr>
 <tr valign="top">
-	<td align="right">resource_allowlocalfiles:</td>
-	<td>
+    <td align="right">resource_allowlocalfiles:</td>
+    <td>
     <?php
         unset($choices);
         $choices["0"] = get_string("no");
@@ -53,8 +53,8 @@
     </td>
 </tr>
 <tr valign="top">
-	<td align="right">resource_filterexternalpages:</td>
-	<td>
+    <td align="right">resource_filterexternalpages:</td>
+    <td>
     <?php
         unset($choices);
         $choices["0"] = get_string("no");
@@ -67,8 +67,8 @@
     </td>
 </tr>
 <tr valign="top">
-	<td align="right">resource_popup:</td>
-	<td>
+    <td align="right">resource_popup:</td>
+    <td>
     <?php
         unset($choices);
         $choices[""] = get_string("no");
@@ -83,8 +83,8 @@
 <?php foreach ($RESOURCE_WINDOW_OPTIONS as $optionname) {
           $defaultvalue = "resource_popup$optionname";
           echo "<tr valign=\"top\">";
-	      echo "<td align=\"right\">$defaultvalue:</td>";
-	      echo "<td>";
+          echo "<td align=\"right\">$defaultvalue:</td>";
+          echo "<td>";
           if ($optionname == "height" or $optionname == "width") {
               echo "<input name=$defaultvalue type=\"text\" size=\"5\" value=\"".$CFG->$defaultvalue."\" />";
           } else {
@@ -98,8 +98,8 @@
       }
 ?>
 <tr valign="top">
-	<td align="right">resource_windowsettings:</td>
-	<td>
+    <td align="right">resource_windowsettings:</td>
+    <td>
     <?php
         unset($choices);
         $choices["0"] = get_string("hidesettings");
@@ -112,8 +112,8 @@
     </td>
 </tr>
 <tr valign="top">
-	<td align="right">resource_parametersettings:</td>
-	<td>
+    <td align="right">resource_parametersettings:</td>
+    <td>
     <?php
         unset($choices);
         $choices["0"] = get_string("hidesettings");
@@ -127,7 +127,7 @@
 </tr>
 <tr>
     <td colspan="3" align="center">
-	<input type="submit" value="<?php print_string("savechanges") ?>" /></td>
+        <input type="submit" value="<?php print_string("savechanges") ?>" /></td>
 </tr>
 </table>
 
diff --git a/mod/survey/lib.php b/mod/survey/lib.php
index e56cc59c9b8..1f6bcc6efd9 100644
--- a/mod/survey/lib.php
+++ b/mod/survey/lib.php
@@ -354,19 +354,19 @@ function survey_print_multi($question) {
     $stripreferthat = get_string("ipreferthat", "survey");
     $strifoundthat = get_string("ifoundthat", "survey");
     echo "<br />\n";
-	echo "<font size=\"4\"><b>$question->text</b></font><br />";
+    echo "<font size=\"4\"><b>$question->text</b></font><br />";
 
-	echo "<table align=\"center\" width=\"90%\" cellpadding=\"4\" cellspacing=\"1\" border=\"0\">";
+    echo "<table align=\"center\" width=\"90%\" cellpadding=\"4\" cellspacing=\"1\" border=\"0\">";
 
     $options = explode( ",", $question->options);
     $numoptions = count($options);
 
     $oneanswer = ($question->type == 1 || $question->type == 2) ? true : false;
-	if ($question->type == 2) {
-		$P = "P";
-	} else {
-		$P = "";
-	}
+    if ($question->type == 2) {
+        $P = "P";
+    } else {
+        $P = "";
+    }
    
     if ($oneanswer) { 
         echo "<tr><td colspan=\"2\">$question->intro</td>";