Stefan brought up the desirability of defined XML schemas for Drupal configuration, and the niceness of autocomplete XML-aware editors could then provide.
Patterns module would appear to be the closest to providing this: http://drupal.org/node/353654
There is some conflict though, we think, between auto-generating and hand-editing XML (or any other) configuration files; changes should come from one source.
Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution 3.0 Unported License.