+2020-02-05 MORIOKA Tomohiko <tomo.git@chise.org>
+
+ * concord-images.el (concord-images-add-url): Add optional
+ arguments `prefix' and `prefer-iiif'.
+
2019-04-07 MORIOKA Tomohiko <tomo.git@chise.org>
* concord-images.el (concord-images-encode-url-as-id): Add