making sure that float window is not modifiable inside nvim

autoload/vimspector/internal/balloon.vim

@@ -103,6 +103,7 @@ function! vimspector#internal#balloon#CreateTooltip(is_hover, ...)
     " create the content window
     let buf_id = nvim_create_buf(v:false, v:true)
     call nvim_buf_set_lines(buf_id, 0, -1, v:true, body)
+    call nvim_buf_set_option(buf_id, 'modifiable', v:false)
     let s:float_win = nvim_open_win(buf_id, v:false, opts)
 
     call nvim_win_set_option(s:float_win, 'wrap', v:true)

python3/vimspector/variables.py

@@ -272,6 +272,7 @@ class VariablesView( object ):
 
   def _DrawEval(self):
     with utils.RestoreCursorPosition():
+      with utils.ModifiableScratchBuffer( self._variable_eval_view.buf ):
         utils.ClearBuffer( self._variable_eval_view.buf )
         icon = '+' if self._variable_eval.IsExpandable() and not self._variable_eval.IsExpanded() else '-'