Fix behaviour of Esc key in help panel https://git.debu.gs/gitweb/?p=io10;a=commitdiff;h=ca04483eee72fd09276bfdfe6ae5865584554b18 code, git.debu.gs | 2023-09-14 09:02:14 +0000 GMT | No.1501 Fix behaviour of Esc key in help panel [DH] help.css [DH] index.html [DH] main.js