This should be usefull for all users, who are trying to report a bugs, but the only response from me they get "it works/invalid" Here is some information how properly report a bug.
Reference http://zqzhang.github.io/reveal.js/file-good-bug.html#/4
Developing application takes a lot of time. You can support application by donating. There is no company behind this application and it takes away my free time. Every donation matters and does not matter how small it is!