Add this script to violentmonkey to stop ‘Type your comment/message’ becoming a draft.
// ==UserScript==
// @name HTB-placeholder
// @namespace Violentmonkey Scripts
// @match https://forum.hackthebox.eu/*
// @grant none
// ==/UserScript==
// for mobile: add to UserScript
// @require https://code.jquery.com/jquery-3.2.1.min.js
$(document).ready(function(){
var $this = $('#Form_Body');
var type = ['Type your comment', 'Type your message'];
if(type.indexOf($this.val()) == 0){
$this.val('');
}
$this.focusout(function(){
setTimeout(function(){
if(type.indexOf($this.val()) == 0){
$this.val('');
}
});
});
});