From d54c3369b3812ce2071b7676a035732fe864fce4 Mon Sep 17 00:00:00 2001
From: Markus Triska <triska@metalevel.at>
Date: Tue, 5 Sep 2023 19:39:05 +0200
Subject: [PATCH] FIXED: countall/2 for zero solutions (#1996)

Example:

    ?- countall(false, 0).
       true.
---
 src/lib/iso_ext.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/iso_ext.pl b/src/lib/iso_ext.pl
index 0a5798ae..b6863487 100644
--- a/src/lib/iso_ext.pl
+++ b/src/lib/iso_ext.pl
@@ -370,7 +370,7 @@ countall(Goal, N) :-
     (   integer(N) ->
         (   N < 0 ->
             domain_error(not_less_than_zero, N, countall/2)
-        ;   N > 0
+        ;   true
         )
     ;   true
     ),
-- 
2.54.0