don't count the terminator in PStrIter len

2020-04-15 10:07:44 -06:00
parent af14832b6c
commit 6d7b14ceb5
2 changed files with 2 additions and 1 deletions
--- a/src/prolog/examples/plres.pl
+++ b/src/prolog/examples/plres.pl
@@ -31,6 +31,7 @@

 :- use_module(library(dcgs)).
 :- use_module(library(dif)).
+:- use_module(library(format)).
 :- use_module(library(lists)).

 pl_resolution(Clauses0, Chain) :-