Replicates 'Delete Line' functionality in Byword

byword-delete-line.scpt

-- Byword doesn't have a Delete Line function.
-- This is basically a macro to select the current line and delete it.
-- Make a Service that recieves no input and assign a keyboard shortcut.

on run {input, parameters}
  
  tell application "System Events"
    -- Command + Option + Up
    key code 126 using {command down, option down}
    -- Command + Option + Up
    key code 126 using {command down, option down}
    -- Delete
    key code 51
  end tell

end run