vi: warn about range in ':!' command

Currently vi in Busybox doesn't support filtering text through an
external command with ':1,2!cmd'.  Instead it behaves as if no
range had been supplied and displays the output of the command.

Issue a warning and do nothing in such cases.

function                                             old     new   delta
colon                                               3993    4010     +17

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

0 files changed, 0 insertions, 0 deletions