Re: address@hidden: RE: Customize doc strings and tagstrings do not respect \\<...> and \\[...]]

[Kevin Rodgers]

Drew Adams wrote:
>     > (defcustom titi 'tata "OK" :type
>     >  '(choice
>     >    (const :tag 
"`\\<minibuffer-local-map>\\[next-history-element]'."
>     >           tata)))
>     > I see in Customize what I reported initially:
>     > \<minibuffer-local-map>\[next-history-element] (one level of
>     > \ removed).
>
>     Why do you think this is a bug?  The tag contains exactly this text.
>
> What are you saying?
>
> The point (the bug) is that the tag text should implicitly have
> `substitute-command-keys' applied to it. I made that clear in my initial
> report. A :tag string should be treated, in this respect, the same 
way a doc
> string is treated.

That is an interesting idea.  But there's nothing in the Emacs Lisp or
Widget manuals to suggest that the current implementation is broken.

> Use case: You have a choice between two values for an option. Each 
controls
> the behavior of `next-history-element' in a different way. You want to be
> able to use `\\<minibuffer-local-map>\\[next-history-element]' in the 
:tag's
> to refer to the command binding. You don't want to hard-code the 
binding in
> the :tag string.

`(choice
  (const :tag ,(substitute-command-keys
                "`\\<minibuffer-local-map>\\[next-history-element]'.")
         tata)))

--
Kevin Rodgers