zeal binary package in Ubuntu Lunar armhf

 Zeal is a simple offline API documentation browser inspired by Dash (OS X
 app), available for Linux and Windows.
 .
  * Quickly search documentation using Alt+Space (or customised) hotkey to
    display Zeal from any place in your workspace.
  * Search in multiple sets of documentation at once.
  * Don't be dependent on your internet connection.
  * Integrate Zeal with Emacs, Sublime Text, or Vim.

Source package