Increase default pointer event interval
Some systems (e.g. macOS) send massive amounts of pointer events, so
we need to start rate limiting things to something sensible by default.
One event per screen refresh should be more than sufficient.
diff --git a/vncviewer/vncviewer.man b/vncviewer/vncviewer.man
index e48a0c4..22b46cd 100644
--- a/vncviewer/vncviewer.man
+++ b/vncviewer/vncviewer.man
@@ -243,7 +243,7 @@
.TP
.B \-PointerEventInterval \fItime\fP
Time in milliseconds to rate-limit successive pointer events. Default is
-to send events immediately.
+17 ms (60 Hz).
.
.TP
.B \-Log \fIlogname\fP:\fIdest\fP:\fIlevel\fP