change the terminal used on a remote host.
---
-*** New user option 'comint-delete-old-input'
-When set to nil, this prevents comint from deleting the current input
-when inserting previous input using '<mouse-2>'.
+*** New user option 'comint-delete-old-input'.
+When nil, this prevents comint from deleting the current input when
+inserting previous input using '<mouse-2>'. The default is t, to
+preserve past behavior.
** Mwheel