From 4e78012403a451090b72af539df0d976e8148ec4 Mon Sep 17 00:00:00 2001
From: xi <xi@18f92427-320e-0410-9341-c67f048884a3>
Date: Mon, 17 Apr 2006 06:42:08 +0000
Subject: [PATCH] Fix #4 (Thanks to murphy(at)rubychan.de)

git-svn-id: http://svn.pyyaml.org/pyyaml/trunk@138 18f92427-320e-0410-9341-c67f048884a3
---
 lib/yaml/scanner.py                        | 1 -
 tests/data/scan-document-end-bug.canonical | 3 +++
 tests/data/scan-document-end-bug.data      | 3 +++
 3 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 tests/data/scan-document-end-bug.canonical
 create mode 100644 tests/data/scan-document-end-bug.data

diff --git a/lib/yaml/scanner.py b/lib/yaml/scanner.py
index e9780c4..30add9e 100644
--- a/lib/yaml/scanner.py
+++ b/lib/yaml/scanner.py
@@ -701,7 +701,6 @@ class Scanner:
 
         # DOCUMENT-END:     ^ '...' (' '|'\n')
         if self.column == 0:
-            prefix = self.peek(4)
             if self.prefix(3) == u'...'  \
                     and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029':
                 return True
diff --git a/tests/data/scan-document-end-bug.canonical b/tests/data/scan-document-end-bug.canonical
new file mode 100644
index 0000000..4a0e8a8
--- /dev/null
+++ b/tests/data/scan-document-end-bug.canonical
@@ -0,0 +1,3 @@
+%YAML 1.1
+---
+!!null ""
diff --git a/tests/data/scan-document-end-bug.data b/tests/data/scan-document-end-bug.data
new file mode 100644
index 0000000..3c70543
--- /dev/null
+++ b/tests/data/scan-document-end-bug.data
@@ -0,0 +1,3 @@
+# Ticket #4
+---
+...
\ No newline at end of file
-- 
2.11.4.GIT