Does jQuery validation plugin have some dependencies? For example, I saw blogposts that said delegate plugin should be used… but I don’t see this plugin reference at any validation plugin example (for example, here: http://jquery.bassistance.de/validate/demo/milk/).
The question arouse because validation plugin doesn’t catch submit at my application.
Its only dependency is jQuery – check out the source code for the Remember the Milk example page linked in your question. It includes 4 references to .js files:
The first two are the required ones for jQuery validate – the third is google analytics tracking (unrelated to jQuery Validate), and the last one is code highlighting (also unrelated to jQuery Validate)
There’s probably a problem with the configuration to the plugin in your application – perhaps post another question with some details about that.