Michael Albinus <[EMAIL PROTECTED]> writes:
> Maybe somebody has a proposal? It must be a real copy, not sharing the
> objects of the list.
What you are doing currently is to copy the structure, then to modify
the copy. But what you could do is to cons up a new structure with
the modifications as necessary:
(let ((backup-directory-alist
(mapcar (lambda (x) ..make.a.new.element..) backup-directory-alist)))
..do.your.stuff..)
But I guess you did it the other way because you don't know whether
you should modify one variable or the other. Hm. But there must be
a way! Hm.
Ah: You could write a function trampify-backup-info which, given an
alist, returns a new alist with different directory names. Then you
just invoke that function twice:
(let ((backup-directory-alist
(when (boundp 'backup-directory-alist)
(trampify-backup-info ...)))
(bkup-backup-directory-info
(when (boundp 'bkup-backup-directory-info)
(trampify-backup-info ...))))
...)
I wonder if this works.
Kai
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