--- Convert-BER-XS/XS.pm	2019/04/20 02:07:45	1.16
+++ Convert-BER-XS/XS.pm	2019/04/20 13:46:14	1.17
@@ -505,6 +505,11 @@
 
 This module has undergone little to no testing so far.
 
+=head2 ITHREADS SUPPORT
+
+This module is unlikely to work when the (officially discouraged) ithreads
+are in use.
+
 =head1 AUTHOR
 
  Marc Lehmann <schmorp@schmorp.de>