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-rw-r--r--src/guile/skribilo/biblio/author.scm16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/guile/skribilo/biblio/author.scm b/src/guile/skribilo/biblio/author.scm
index fe4e0e6..785f948 100644
--- a/src/guile/skribilo/biblio/author.scm
+++ b/src/guile/skribilo/biblio/author.scm
@@ -131,6 +131,14 @@
(define (bib-sort/first-author-last-name entries)
;; May be passed as the `:sort' argument of `the-bibliography'.
+ (define (maybe-first-author-last-name author)
+ (cond ((string? author)
+ (first-author-last-name author))
+ (else
+ ;; AUTHOR cannot be abbreviated, maybe because it is enclosed in a
+ ;; `noabbrev' markup (e.g., because it's not a person name).
+ (string-trim (ast->string author)))))
+
(define (entry-field entry name)
(let ((o (markup-option entry name)))
(and o (markup-body o))))
@@ -159,10 +167,10 @@
(lambda (e1 e2)
(and (check-author e1)
(check-author e2)
- (let* ((a1 (first-author-last-name
- (markup-body (markup-option e1 'author))))
- (a2 (first-author-last-name
- (markup-body (markup-option e2 'author)))))
+ (let ((a1 (maybe-first-author-last-name
+ (markup-body (markup-option e1 'author))))
+ (a2 (maybe-first-author-last-name
+ (markup-body (markup-option e2 'author)))))
(if (string-ci=? a1 a2)
(<=? e1 e2 'year
(lambda ()