/*
* To prevent key collisions in the update() statements below,
* if the target title exists in the image table, or if both the
* original and target titles exist in the page table, append
* increasing version numbers until the target title exists in
/*
* To prevent key collisions in the update() statements below,
* if the target title exists in the image table, or if both the
* original and target titles exist in the page table, append
* increasing version numbers until the target title exists in