In vim you can format a paragraph of prose text with gq. This basically will hard-wrap the lines to the configured textwidth for the filetype. I use this all the time when writing git commit messages so the body of the message has the recommended max line length of 72.
I just found out about the passing of Bram Moolenaar, the core maintainer of Vim for the last 30 years 馃槥 I like what a commenter posted: Vim has soul. It is that chisel you inherited from your grandpa that you keep using. It fits well in your grip and is comfortable, even though it lacks the soft rubber that the new ones in the store have. It鈥檚 a tool with its own history. ...