From dd7228b098513a920aefaf356a362f07ce1fc520 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Fri, 4 May 2012 06:39:03 +0000
Subject: [PATCH] fix DisplayBuffer::atom_containing when where is before first
 atom

---
 src/display_buffer.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/display_buffer.cc b/src/display_buffer.cc
index 133c843f..2ecded59 100644
--- a/src/display_buffer.cc
+++ b/src/display_buffer.cc
@@ -93,6 +93,9 @@ DisplayBuffer::iterator DisplayBuffer::atom_containing(const BufferIterator& whe
 DisplayBuffer::iterator DisplayBuffer::atom_containing(const BufferIterator& where,
                                                        iterator start)
 {
+    if (where < start->begin())
+        return end();
+
     return std::upper_bound(start, end(), where,
                             [](const BufferIterator& where, const DisplayAtom& atom)
                             { return where < atom.end(); });