From ba3b00aea7ece98694766976095a46bcffc2e403 Mon Sep 17 00:00:00 2001
From: Ned Batchelder <ned@nedbatchelder.com>
Date: Thu, 25 Feb 2016 07:31:37 -0500
Subject: Some plus_one lines were missing when drawing arcs

---
 lab/parser.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lab')

diff --git a/lab/parser.py b/lab/parser.py
index 4deb93e9..0393d209 100644
--- a/lab/parser.py
+++ b/lab/parser.py
@@ -167,7 +167,6 @@ class ParserMain(object):
         that line.
 
         """
-
         plus_ones = set()
         arc_chars = collections.defaultdict(str)
         for lfrom, lto in sorted(arcs):
@@ -178,6 +177,7 @@ class ParserMain(object):
             else:
                 if lfrom == lto - 1:
                     plus_ones.add(lfrom)
+                    arc_chars[lfrom] += ""      # ensure this line is in arc_chars
                     continue
                 if lfrom < lto:
                     l1, l2 = lfrom, lto
-- 
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