I'd like to customize this value - it's briefly mentioned in the manual.

How can this be done?

  • The question is unclear (to me). Are you asking how to use Customize? Are you asking how to use Customize in the context of only this option - e.g., having a problem defining its value? Are you asking about what the option is about and looking for an explanation of its possible values? Just what have you tried and what was missing or unclear?
    – Drew
    Nov 13 '17 at 22:43
  • Like all other variables, you can customize iv with M-x customize-variable or by adding (setq directory-abbrev-alist ...) to your ~/,emacs file. So I suggest you give a bit more details about what it is you'd like to do, so we can provide more useful answers.
    – Stefan
    Nov 13 '17 at 23:07

I also needed this in order to change the directory-abbrev-list so that the function abbreviate-file-name would shorten paths that are not children of my 'home' path.

Managed to do it with the following command, to create an abbreviation from "c:/This/Is/My/path" to "path":

  • (setq directory-abbrev-alist (cons '("\\`c:/Abbreviate/This/Path" . "abbreviated") directory-abbrev-alist))
    appends a new abbreviation, and

  • (setq directory-abbrev-alist '(("\\`c:/Abbreviate/This/Path" . "abbreviated")))
    assigns only one element to the list.

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