=== subversion/svn/mkdir-cmd.c
==================================================================
--- subversion/svn/mkdir-cmd.c	(revision 119915)
+++ subversion/svn/mkdir-cmd.c	(local)
@@ -85,6 +85,11 @@
       if (err->apr_err == APR_EEXIST)
         return svn_error_quick_wrap
           (err, _("Try 'svn add' or 'svn add --non-recursive' instead?"));
+      else if (APR_STATUS_IS_ENOENT(err->apr_err) || /* in wc */
+               err->apr_err == SVN_ERR_FS_NOT_FOUND || /* ra_local and ra_svn */
+               err->apr_err == SVN_ERR_RA_DAV_PATH_NOT_FOUND /* ra_dav */)
+        return svn_error_quick_wrap
+          (err, _("Try 'svn mkdir --parents' instead?"));
       else
         return err;
     }