or badproto \*RO, "premature desire for signed-tag";
my $head = $i_param{'head'};
die if $head =~ m/[^0-9a-f]/ || $head !~ m/^../;
or badproto \*RO, "premature desire for signed-tag";
my $head = $i_param{'head'};
die if $head =~ m/[^0-9a-f]/ || $head !~ m/^../;