more speed and accuracy improvements to -ncache mode.

1 files changed, 4 insertions, 0 deletions

diff --git a/x11vnc/help.c b/x11vnc/help.c
index d4c9aad..9094e19 100644
--- a/x11vnc/help.c
+++ b/x11vnc/help.c
@@ -2064,6 +2064,10 @@ void print_help(int mode) {
 "                       smoother drags than tightvnc viewer.  Response may also\n"
 "                       be choppy if the server side machine is too slow.\n"
 "\n"
+"                       Sometimes on very slow modem connections, this actually\n"
+"                       gives an improvement because no pixel data at all\n"
+"                       (not even the box animation) is sent during the drag.\n"
+"\n"
 "-ncache_no_moveraise   In -ncache mode, do not assume that moving a window\n"
 "                       will cause the window manager to raise it to the top\n"
 "                       of the stack.  The default is to assume it does, and\n"