In real life this would probably taste awful, but for the Espresso editor it’s great! Sugars allow you to extend the Espresso editor with add-ons or plugins, which will ease your development.
Today I’ve found two tasty Sugars: Zen Coding is one of them (though it is in Espresso by default) and Spice. Well, okay I was pointed to Zen Coding by a colleague actually…
Zen Coding allows you to expand certain abbreviations, look at the following video for more information:
Zen Coding v0.5 from Sergey Chikuyonok on Vimeo.
Next Spice, that allows you to extend Espresso using JavaScript, with full access to the Espresso and Cocoa API, no need to talk Objective-C for that!