How to design a good API
Comments
This was a outstanding presentation on software design.
And my question could probably not be better timed: where can I see all available form properties for form API?
What if we could look up all the different properties on http://api.drupal.org? Then use tagging to easier find the property you need.
I recently found out that #cache is new to Drupal 6(fapi3).
So: #cache is a boolean value (true/false) that caches the value that are being submitted. Tags: store, cache, save.
See the Forms API Quick Reference (also contains information about how to write functions to validate and submti forms). And there's also the Forms API Reference that describes all properties and form elements in core. I'm sure they'll be updated for Drupal 6.