Fix: (org-ql-view--link-follow) Reading link parameters

This is needed due to changes in Emacs 30, but this code was always
mistaken, and it just happened to work.

See <https://github.com/jorgenschaefer/emacs-buttercup/issues/247>.

Fixes #441.

Suggested-by: Ola Nilsson <ola.nilsson@gmail.com>

README.org

@@ -555,7 +555,8 @@ Simple links may also be written manually in either sexp or non-sexp form, like:
 
 ** 0.8.9-pre
 
-Nothing new yet.
+*Fixes*
++ Reading of view settings from Org links in upcoming Emacs version.  ([[https://github.com/alphapapa/org-ql/issues/461][#461]].  Thanks to [[https://github.com/snogge][Ola Nilsson]] for help debugging, and for maintaining [[https://github.com/jorgenschaefer/emacs-buttercup][Buttercup]].)
 
 ** 0.8.8
 

org-ql-view.el

@@ -622,7 +622,7 @@ purposes of compatibility with changes in Org 9.4."
                (query (url-unhex-string query))
                (params (when params (url-parse-query-string params)))
                ;; `url-parse-query-string' returns "improper" alists, which makes this awkward.
-               (sort (when-let* ((stored-string (alist-get "sort" params nil nil #'string=))
+               (sort (when-let* ((stored-string (car (alist-get "sort" params nil nil #'string=)))
                                  (read-value (read stored-string)))
                        ;; Ensure the value is either a symbol or list of symbols (which excludes lambdas).
                        (unless (or (symbolp read-value) (cl-every #'symbolp read-value))
@@ -630,11 +630,11 @@ purposes of compatibility with changes in Org 9.4."
                                 read-value))
                        read-value))
                (org-super-agenda-allow-unsafe-groups nil) ; Disallow unsafe group selectors.
-               (groups (--when-let (alist-get "super-groups" params nil nil #'string=)
+               (groups (--when-let (car (alist-get "super-groups" params nil nil #'string=))
                          (read it)))
-               (title (--when-let (alist-get "title" params nil nil #'string=)
+               (title (--when-let (car (alist-get "title" params nil nil #'string=))
                         (read it)))
-               (buffers-files (--if-let (alist-get "buffers-files" params nil nil #'string=)
+               (buffers-files (--if-let (car (alist-get "buffers-files" params nil nil #'string=))
                                   (org-ql-view--expand-buffers-files (read it))
                                 (current-buffer))))
     (unless (or (bufferp buffers-files)

org-ql.info

@@ -1084,7 +1084,12 @@ File: README.info,  Node: 089-pre,  Next: 088,  Up: Changelog
 5.1 0.8.9-pre
 =============
 
-Nothing new yet.
+*Fixes*
+   • Reading of view settings from Org links in upcoming Emacs version.
+     (#461 (https://github.com/alphapapa/org-ql/issues/461).  Thanks to
+     Ola Nilsson (https://github.com/snogge) for help debugging, and for
+     maintaining Buttercup
+     (https://github.com/jorgenschaefer/emacs-buttercup).)
 
 
 File: README.info,  Node: 088,  Next: 087,  Prev: 089-pre,  Up: Changelog
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 Node: Tips39626
 Node: Changelog39950
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