Kopher controls
* Scrolling: Up/Down/Left/Right
* Previous/next link: 2/5
* Click on the link: Center
* Enter address: Left Soft Key
* Go back: 1 or Right Soft Key
* Go forward: 3
* Refresh: Call
* Page start/end: 8/0
* Line start/end: 7/9
* Open the homepage: # *
* Open a bookmark: # [num]
* Save to the homepage: * *
* Save to a bookmark: * [num]
* Toggle light/dark theme: 4
* Toggle line wrapping: 6
* Version and page info: # #
* Exit: End