[development] Module backwards compatibility

[Karoly Negyesi]

> Improvements to Drupal's core is great, but trying to get developers to
> update their module for the latest Drupal release gets old fast. What I
> am proposing is an added compatibility layer for Drupal

http://drupal.org/node/65922

What  you ask contradicts everything Drupal stands for -- being small, lean and fast.

Also the legacy module was never an API compatibility module it provided a few menu entries for really ancient paths.