add link to Desouter et al., "Tabling as a Library with Delimited Control"

diff --git a/src/lib/tabling.pl b/src/lib/tabling.pl
index a63dd54f39fe3774ecfa0ccd57f6800c310dae5b..606635fb195a170ba2d49850759fcfa269512a9c 100644 (file)
--- a/src/lib/tabling.pl
+++ b/src/lib/tabling.pl
@@ -21,6 +21,8 @@
     the greatest attractions of pure Prolog code, and one of the
     strongest arguments for keeping to the pure core of Prolog as far
     as possible.
+
+    Scryer Prolog implements tabling as described by Desouter et al. in [*Tabling as a Library with Delimited Control*](https://www.ijcai.org/Proceedings/16/Papers/619.pdf).
 */
 
 :- module(tabling,