The biggest problem for that kind of editor in a web environment is making it work consistently across platforms.
Getting everything nice in up to date desktop browsers is relatively simple (contenteditable div, little bit of javascript, easy). Try to introduce iOS into the mix and things get very messy, very quickly.
Getting everything nice in up to date desktop browsers is relatively simple (contenteditable div, little bit of javascript, easy). Try to introduce iOS into the mix and things get very messy, very quickly.