bug#34539: 26.1.91; Scan error while requesting help with C-h v

[Eli Zaretskii]

> From: Carlos Pita <carlosjosepita@gmail.com>
> Date: Mon, 18 Feb 2019 21:20:41 -0300
> 
> If I define
> 
> ```
> (let ((targets '("~/notes/gtd.org"
>                  "~/notes/notes.org"
>                  "~/notes/journal.org")))
>   (setq org-refile-targets `((nil :maxlevel . 1)
>                              ("~/notes/anki.org" :level . 0)
>                              (,targets :maxlevel . 1)
>                              (,targets :tag . "PROJECT"))))
> ```
> 
> and then request help using C-h v org-refile targets, I get
> 
> 
> ```
> org-refile-targets is a variable defined in ‘org.el’.
> Its value is
> ```
> 
> with error
> 
> ```
> forward-sexp: Scan error: "Containing expression ends prematurely"
> ```

Looks like a regression introduced in 26.1.