Abit Gray

Results 4 issues of Abit Gray

I had to disable `gfm` plugin because when I tried to close `*.md` file (bigger), it froze my IDE and I had to kill it. Disabling `gfm` solved the problem....

Changes some functionality of Input and implement SteamInput support.

![image](https://user-images.githubusercontent.com/24275405/95393871-a308ab80-08fb-11eb-809a-614de0f0bec5.png) The /id/login redirects to different domain so those steps does not work.

Hi, I was configuring cxxopts for new project and used some implicit values. They look a little too complex for me ``` --fullscreen [=monitor_name(=PRIMARY)] ``` with a little tweak (see...