Merge lines.love

Bring forks up to date.

README.md

@@ -75,6 +75,9 @@ Updates to it can be downloaded from the following mirrors:
 
 Further forks are encouraged. If you show me your fork, I'll link to it here.
 
+* https://codeberg.org/akkartik/view.love -- a stripped down version without
+  support for modifying files; useful starting point for some forks.
+
 ## Feedback
 
 [Most appreciated.](http://akkartik.name/contact)

main.lua

@@ -119,7 +119,7 @@ function App.filedropped(file)
     save_to_disk(Editor_state)
   end
   -- clear the slate for the new file
-  App.initialize_globals()  -- in particular, forget all undo history
+  App.initialize_globals()
   Editor_state.filename = file:getFilename()
   file:open('r')
   Editor_state.lines = load_from_file(file)