I've been searching high and low for some decent documentation on plugin development and I've only found very incomplete documentation.
I've looked at www.intellij.org and I've looked at the docs/ directory in the IDEA installation and I've seen a very brief and superficial primer on www.intellij.com.
Is there really no good documentation about plugin developing and the OpenAPI? I specifically would like to get some information about the Action mechanism, mostly how to go about registering different actions in the plugin.xml file.
I hope someone can help me here.