From b25ef2d5f75a243bdaf977ed65d9da13f01f0f25 Mon Sep 17 00:00:00 2001
From: Simon Forman <sforman@hushmail.com>
Date: Mon, 12 Aug 2019 19:25:13 -0700
Subject: [PATCH] Oops! Regression.

---
 thun/gnu-prolog/parser.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/thun/gnu-prolog/parser.pl b/thun/gnu-prolog/parser.pl
index a0a9e72..f25d5d0 100644
--- a/thun/gnu-prolog/parser.pl
+++ b/thun/gnu-prolog/parser.pl
@@ -43,8 +43,8 @@ line(-1,   [eof]) :- !.  % break on EOF
 line(X, [X|Line]) :- get_code(Y), !, line(Y, Line).
 
 
-chars([Ch|Rest]) --> char(Ch), !, chars(Rest).
-chars([])        --> [].
+chars([Ch|Rest]) --> char(Ch), chars(Rest).
+chars([Ch])      --> char(Ch).
 
 char(Ch) --> [Ch], { Ch \== 0'[, Ch \== 0'], between(33, 126, Ch) }.