I created a small browser extension for FireFox / Tor Browser that basically does this:
if (window.location.href.startsWith("https://bitcointalk.org/index.php?action=reporttm")) {
document.getElementsByName("comment")[0].style.width = "80%";
}
Looks like this:
Edited 2020-11-29 to fix a broken imageIt's still one line but good enough for me. Replacing it with a multiline text area could be done with createElement/replaceChild.
Would be nice to have a proper solution though.
Existing database will require a field alteration.
I don't think so. You can type a lot into that poor little textbox - the field size in the DB seems to be fairly large.