For unexpected content-type KS_C_5601-1987

htmldetector.diff

diff --git a/src/Diggin/Http/Charset/Detector/HtmlDetector.php b/src/Diggin/Http/Charset/Detector/HtmlDetector.ph
index 4ed6dbd..ee1b543 100644
--- a/src/Diggin/Http/Charset/Detector/HtmlDetector.php
+++ b/src/Diggin/Http/Charset/Detector/HtmlDetector.php
@@ -36,7 +36,11 @@ class HtmlDetector
 
     private $_config = array('accept_header_ctype' => true,
                              'force_detect_body' => false,
-                             'detect_prefer_mime' => false);
+                             'detect_prefer_mime' => false,
+                             'known_convert_targets' => array(
+                                'KS_C_5601-1987' => 'CP949', //strtoupper
+                             )
+                       );
 
     /**
      * configure
@@ -178,6 +182,11 @@ class HtmlDetector
         //if ($wellknown = array_search($encoding, array('HZ-GB-2312' => 'GB-2312'))) {
         //  return $wellknown;
         //}
+
+        if (in_array(strtoupper($encoding), array_keys($this->_config['known_convert_targets']))) {
+            $encoding = $this->_config['known_convert_targets'][strtoupper($encoding)];
+        }
+
         return $encoding;
     }