From a30b3e1343cca910b5a00df48ab39378e9d7a067 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Fri, 10 Aug 2012 14:20:15 +0200
Subject: [PATCH] highlight_range: handle empty ranges

---
 src/highlighters.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/highlighters.cc b/src/highlighters.cc
index bffe2a681..a36443b4e 100644
--- a/src/highlighters.cc
+++ b/src/highlighters.cc
@@ -18,7 +18,8 @@ void highlight_range(DisplayBuffer& display_buffer,
                      BufferIterator begin, BufferIterator end,
                      bool skip_replaced, T func)
 {
-    if (end <= display_buffer.range().first or begin >= display_buffer.range().second)
+    if (begin == end or end <= display_buffer.range().first
+                     or begin >= display_buffer.range().second)
         return;
 
     for (auto& line : display_buffer.lines())
@@ -59,7 +60,8 @@ void colorize_regex(DisplayBuffer& display_buffer, const Regex& ex,
     BufferRange range = display_buffer.range();
     const Buffer& buffer = range.first.buffer();
     range.first  = buffer.iterator_at({ range.first.line()  - 10, 0 });
-    range.second = buffer.iterator_at({ range.second.line() + 10, 0 });
+    range.second = buffer.iterator_at({ range.second.line() + 10,
+                                        range.second.column() });
 
     RegexIterator re_it(range.first, range.second, ex);
     RegexIterator re_end;