Re: [DISCUSSION] Sorting strings in Org mode vs. system locale

[Ihor Radchenko]

Max Nikulin <manikulin@gmail.com> writes:

> I consider the following as a kind of graceful degradation
>
> (defun org-sort-function-fallback-downcase
>     (a b &optional LOCALE IGNORE-CASE)
>   (if ignore-case
>      (string-collate-lessp (downcase a) (downcase b) locale ignore-case)
>    (string-collate-lessp a b locale ignore-case)))

It is indeed better than `org-sort-function-downcase'.

> (defcustom org-sort-function
>   (if (string-collate-lessp "a" "B" "C" t)
>      #'string-collate-lessp
>    #'org-sort-function-fallback-downcase))

No. Let's be consistent with Emacs here.

> I would consider a setter function for `org-sort-function' to avoid 
> branches based of `func-arity' in `org-string<'.

Setter is not reliable when setq is used, so I prefer arity check.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
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