note libcurls inability to reset (proxy) auth information

diff --git a/KnownIssues.txt b/KnownIssues.txt
index 2453f2774c4acbb25cacdc0cc5c4a3945d3a0109..558be8ab88323930bfb9eb70a4cf4c2d04360b22 100644 (file)
--- a/KnownIssues.txt
+++ b/KnownIssues.txt
@@ -28,4 +28,6 @@ Internals:
                                  since libcurl v7.17.1 and does not work with the
                                  procedural API
                        Anyway, none of these options is really perfect.
-                 
+       HTTP and Proxy authentication inforamtion (username/password) can not be
+               unset with NULL prior libcurl v7.19.6 and separarte options for setting
+               username and password--wich work--are only available since v7.19.6.