+ my $from_other_page=0;
+ foreach my $p (keys %renderedfiles) {
+ if (grep {
+ $_ eq $dest ||
+ dirname($_) eq $dest
+ } @{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
+ $from_other_page=1;
+ last;
+ }
+ }
+
+ error("$config{destdir}/$dest independently created, not overwriting with version from $page")
+ unless $from_other_page;