From: Tim Vaughan <tgvaughan@gmail.com>
Date: Mon, 19 Jun 2017 10:35:28 +0000 (+1200)
Subject: Improved error system.
X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=scheme.forth.jl.git;a=commitdiff_plain;h=87885070a953e05cbf41d1521c9ad500d02572a1

Improved error system.
---

diff --git a/src/scheme-primitives.4th b/src/scheme-primitives.4th
index 1e37e0d..f38fd93 100644
--- a/src/scheme-primitives.4th
+++ b/src/scheme-primitives.4th
@@ -611,12 +611,15 @@ defer display
     nil? if
         ." Error."
     else
-        ." Error: "
-
-        begin
-            2dup car print
-            cdr nil?
-        until
+        ." Error:"
+
+        2dup car space display
+        cdr nil? invert if
+            begin
+                2dup car space print
+                cdr nil?
+            until
+        then
 
         2drop
     then