add some comments

diff --git a/plugins/gs2.c b/plugins/gs2.c
index 5b87062..6bce647 100644 (file)
--- a/plugins/gs2.c
+++ b/plugins/gs2.c
@@ -1571,6 +1571,10 @@ gs2_get_init_creds(context_t *text,
         }
     }
 
+    /*
+     * Canonicalize the authentication and authorization identities before
+     * calling GSS_Import_name.
+     */
     if (auth_result == SASL_OK && user_result == SASL_OK &&
         oparams->authid == NULL) {
         if (userid == NULL || userid[0] == '\0') {