From 5fa98815569caa280289b3f507efd5ba4d9b1645 Mon Sep 17 00:00:00 2001
From: Mark Thom <markjordanthom@gmail.com>
Date: Tue, 16 May 2017 19:35:22 -0600
Subject: [PATCH] add (non)-deterministic REPL demarcations

---
 src/prolog/io.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/prolog/io.rs b/src/prolog/io.rs
index 3a9fb341..12149d49 100644
--- a/src/prolog/io.rs
+++ b/src/prolog/io.rs
@@ -304,8 +304,14 @@ Each predicate must have the same name and arity.";
 pub fn print(wam: &mut Machine, result: EvalSession) {
     match result {
         EvalSession::InitialQuerySuccess(alloc_locs, mut heap_locs) => {
-            println!("true");
+            print!("true");
 
+            if !wam.or_stack_is_empty() {
+                print!(" ");                    
+            }
+            
+            println!(".");
+            
             if heap_locs.is_empty() {
                 return;
             }
-- 
2.54.0