Issue #3448936: Edge cases for sigma at end of word and dotted I lowercasing

drupalorg/drupalorg.drush.inc

@@ -2215,7 +2215,7 @@ function drush_drupalorg_keycloak_integrity_check($log_filename = null) {
       continue;
     }
     // Keycloack username is case insensitive.
-    if (drupal_strtolower($d_username) !== drupal_strtolower($k_username)) {
+    if (drupal_strtolower(preg_replace(['/İ/', '/Σ$/'], ['i̇', 'ς'], $d_username)) !== drupal_strtolower($k_username)) {
       fprintf($log_file, "name_mismatch: (uid = %d, uuid = %s) d_username = %s, k_username = %s\n", $d_uid, $d_uuid, $d_username, $k_username);
       $diff_counts['name_mismatch']++;
       continue;