Coranto can automatically convert line breaks to <br> (or <br />) tags. However, in the up-and-coming world of web standards and CSS, it's often better to enclose paragraphs in <p> and </p> tags.
Furthermore, if you turn off automatic line break conversion, all line breaks are completely removed from the post. So, if I put line beaks between HTML elements in a text field, all the HTML is compacted upon submission. This makes it very hard to modify posts later, as they are difficult to read.
Ideally, these two things could be combined into one addon. The addon would automatically insert <p> and </p> tags around paragraphs, while maintaining any whitespace in between.
Does anyone see enough value in this that they would be interested in developing it? If not, I've written simple addons before, so I may be able to do it myself if I'm pointed in the right direction. By "direction" I mean where in the core this would hook in, and how I might differentiate between the beginning of a paragraph and the end.
Thanks to everyone out there who can lend a hand.