update packages and add valign

lisp/org/oc-bibtex.el

@@ -1,6 +1,6 @@
 ;;; oc-bibtex.el --- Vanilla citation processor for LaTeX -*- lexical-binding: t; -*-
 
-;; Copyright (C) 2021-2025 Free Software Foundation, Inc.
+;; Copyright (C) 2021-2026 Free Software Foundation, Inc.
 
 ;; Author: Nicolas Goaziou <mail@nicolasgoaziou.fr>
 
@@ -43,7 +43,35 @@
 
 (declare-function org-element-property "org-element-ast" (property node))
 
-(declare-function org-export-data "org-export" (data info))
+(declare-function org-export-data "ox" (data info))
+
+(defcustom org-cite-bibtex-bibliography-style "plain"
+  "Default BibTeX bibliography style.
+
+BibTeX provides the following default styles:
+
+  \"plain\"   Sorted numbered entries
+  \"abbrv\"   Sorted numbered entries with abbreviated author name
+  \"unsrt\"   Unsorted numbered entries
+  \"alpha\"   Alphabetized entries with unique short id
+  \"acm\"     ACM Transactions
+  \"apalike\" APA-like
+  \"ieeetr\"  IEEE Transactions
+  \"siam\"    SIAM"
+  :group 'org-cite
+  :package-version '(Org . "9.8")
+  :type
+  '(choice
+    (const :tag "Plain" "plain")
+    (const :tag "Abbreviated" "abbrv")
+    (const :tag "Unsorted" "unsrt")
+    (const :tag "Alphabetic" "alpha")
+    (const :tag "ACM" "acm")
+    (const :tag "APA-like" "apalike")
+    (const :tag "IEEE" "ieeetr")
+    (const :tag "SIAM" "siam")
+    (string :tag "Other"))
+  :safe #'stringp)
 
 
 ;;; Export capability
@@ -51,7 +79,8 @@
   "Print references from bibliography FILES.
 FILES is a list of absolute file names.  STYLE is the bibliography style, as
 a string or nil."
-  (concat (and style (format "\\bibliographystyle{%s}\n" style))
+  (concat (format "\\bibliographystyle{%s}\n"
+                  (or style org-cite-bibtex-bibliography-style))
           (format "\\bibliography{%s}"
                   (mapconcat #'file-name-sans-extension
                              files