Adaptable text editor

<rendered-html><p>ad (pronounced A.D.) is an attempt at combining a modal editing interface of likes of vi and kakoune with the approach to extensibility of Plan9’s Acme. Inside of ad text is something you can execute as well as edit.</p> <p>It is primarily intended as playground for experimenting with implementing various text editor features and currently is not at all optimised or feature complete enough for use as your main text editor.</p> </rendered-html>