3 files changed, 7 insertions, 6 deletions
diff --git a/modules/aggregator/aggregator.parser.inc b/modules/aggregator/aggregator.parser.inc
index 9757da1fe..5eb84db42 100644
--- a/modules/aggregator/aggregator.parser.inc
+++ b/modules/aggregator/aggregator.parser.inc
@@ -24,7 +24,7 @@ function aggregator_aggregator_parse($feed) {
 
   // Filter the input data.
   if (aggregator_parse_feed($feed->source_string, $feed)) {
-    $modified = empty($feed->http_headers['Last-Modified']) ? 0 : strtotime($feed->http_headers['Last-Modified']);
+    $modified = empty($feed->http_headers['last-modified']) ? 0 : strtotime($feed->http_headers['last-modified']);
 
     // Prepare the channel data.
     foreach ($channel as $key => $value) {
@@ -43,7 +43,7 @@ function aggregator_aggregator_parse($feed) {
       $image = '';
     }
 
-    $etag = empty($feed->http_headers['ETag']) ? '' : $feed->http_headers['ETag'];
+    $etag = empty($feed->http_headers['etag']) ? '' : $feed->http_headers['etag'];
 
     // Add parsed data to the feed object.
     $feed->link = !empty($channel['LINK']) ? $channel['LINK'] : '';
diff --git a/modules/openid/openid.module b/modules/openid/openid.module
index ff4cd719c..d5c868969 100644
--- a/modules/openid/openid.module
+++ b/modules/openid/openid.module
@@ -437,14 +437,14 @@ function _openid_xrds_discovery($claimed_id) {
     $result = drupal_http_request($xrds_url, array('headers' => $headers));
 
     if (!isset($result->error)) {
-      if (isset($result->headers['Content-Type']) && preg_match("/application\/xrds\+xml/", $result->headers['Content-Type'])) {
+      if (isset($result->headers['content-type']) && preg_match("/application\/xrds\+xml/", $result->headers['content-type'])) {
         // Parse XML document to find URL
         $services = _openid_xrds_parse($result->data);
       }
       else {
         $xrds_url = NULL;
-        if (isset($result->headers['X-XRDS-Location'])) {
-          $xrds_url = $result->headers['X-XRDS-Location'];
+        if (isset($result->headers['x-xrds-location'])) {
+          $xrds_url = $result->headers['x-xrds-location'];
         }
         else {
           // Look for meta http-equiv link in HTML head
diff --git a/modules/simpletest/tests/system_test.module b/modules/simpletest/tests/system_test.module
index 1f1e535c6..5fa2fdc85 100644
--- a/modules/simpletest/tests/system_test.module
+++ b/modules/simpletest/tests/system_test.module
@@ -110,7 +110,8 @@ function system_test_basic_auth_page() {
 function system_test_redirect($code) {
   $code = (int) $code;
   if ($code != 200) {
-    header("Location: " . url('system-test/redirect/200', array('absolute' => TRUE)), TRUE, $code);
+    // Header names are case-insensitive.
+    header("locaTION: " . url('system-test/redirect/200', array('absolute' => TRUE)), TRUE, $code);
     exit;
   }
   return '';