Kopher controls
* Scrolling: ←/→/↑/↓
* Previous/next link: 2/5
* Click on link: Center
* Enter address: LSK
* Go back: 1 or RSK
* Go forward: 3
* Refresh: Call
* Page start/end: 8/0
* Line start/end: 7/9
* Open homepage: # *
* Open bookmark: # [num]
* Save to homepage: * *
* Save bookmark: * [num]
* Share the URL: * Call
* Toggle theme: 4
* Toggle line wrapping: 6
* Version+page info: # #
* Exit: End
