Re: Losing minibuffer input

[Juri Linkov <juri@linkov.net>]

> S-RET is a good idea; I've seen this keybinding used in lots of
> other programs for "insert a newline without executing an action".

It can be added by this patch:

diff --git a/lisp/bindings.el b/lisp/bindings.el
index 789fdf0..658d0c6 100644
--- a/lisp/bindings.el
+++ b/lisp/bindings.el
@@ -851,6 +851,7 @@ (let ((map minibuffer-local-map))
   ;; indent-for-tab-command).  The alignment that indent-relative tries to
   ;; do doesn't make much sense here since the prompt messes it up.
   (define-key map "\t"    'self-insert-command)
+  (define-key map [S-return] 'newline)
   (define-key map [C-tab] 'file-cache-minibuffer-complete))
 
 (define-key global-map "\C-u" 'universal-argument)