desktop-missing-file-warningdesktop-missing-file-warning is a variable defined in `
desktop.el'. Its value is
nilDocumentation: If non-nil, offer to recreate the buffer of a deleted file. Also pause for a moment to display message about errors signaled in `desktop-buffer-mode-handlers'. If nil, just print error messages in the message buffer. You can customize this variable. This variable was introduced, or its default value was changed, in version 22.1 of Emacs.