Replace the cite-note attribute of style objects with category

citeproc-context.el

@@ -214,7 +214,7 @@ documentation of `citeproc-render-varlist-in-rt', while MODE is
 the rendering mode, `bib' or `cite', and CITE-POS is a cite
 position. Returns an appropriate attribute to be added or nil if
 no internal links should be produced."
-  (let ((note-style (citeproc-style-cite-note style)))
+  (let ((note-style (string= (citeproc-style-category style) "note")))
     (unless (or (and internal-links (not (memq internal-links '(auto bib-links))))
 		(and note-style (eq mode 'bib) (or (null internal-links)
 						   (eq internal-links 'auto))))

citeproc-style.el

@@ -49,7 +49,7 @@ BIB-SORT-ORDERS and CITE-SORT-ORDERS are the lists of sort orders
   the n-th key should be in ascending or desending order,
 CITE-LAYOUT-ATTRS contains the attributes of the citation layout
   as an alist,
-CITE-NOTE is non-nil iff the style's citation-format is \"note\",
+CATEGORY is the style's category as a string,
 DATE-TEXT and DATE-NUMERIC are the style's date formats,
 LOCALE contains the locale to be used or nil if not set,
 MACROS is an alist with macro names as keys and corresponding
@@ -58,7 +58,7 @@ TERMS is the style's parsed term-list,
 USES-YS-VAR is non-nil iff the style uses the YEAR-SUFFIX
   CSL-variable."
   info opts bib-opts bib-sort bib-sort-orders
-  bib-layout cite-opts cite-note cite-sort cite-sort-orders
+  bib-layout cite-opts category cite-sort cite-sort-orders
   cite-layout cite-layout-attrs locale-opts macros terms
   uses-ys-var date-text date-numeric locale)
 
@@ -98,12 +98,12 @@ in-style locale information will be loaded (if available)."
     (--each (cddr parsed-style)
       (pcase (car it)
 	('info
-	 (let ((info-lst (cddr it)))
+	 (let* ((info-lst (cddr it))
+		(category-info (cl-find-if (lambda (x) (eq 'category (car x)))
+					   info-lst))
+		(category (cdaadr category-info)))
 	   (setf (citeproc-style-info style) info-lst
-		 (citeproc-style-cite-note style)
-		 (not (not (member '(category
-				     ((citation-format . "note")))
-				   info-lst))))))
+		 (citeproc-style-category style) category)))
 	('locale
 	 (let ((lang (alist-get 'lang (cadr it))))
 	   (when (and (citeproc-locale--compatible-p lang locale)