# this warns of subtle bugs introduced by UTF8Columns hacky handling of store_column
# if and only if it is placed before something overriding store_column
+#
+# and also enforces C3 mro on all components
+my $mro_already_set;
sub inject_base {
my $class = shift;
my ($target, @complist) = @_;
unshift @target_isa, $comp;
}
+ # only examine from $_[2] onwards
+ # C::C3::C already sets c3 on $_[1]
+ mro::set_mro( $_ => 'c3' ) for grep {
+ $mro_already_set->{$_} ? 0 : ( $mro_already_set->{$_} = 1 )
+ } @_[1 .. $#_];
+
$class->next::method(@_);
}