Improve column highlighter to cooperate better with other highlighters

Fixes #268

1 files changed, 6 insertions, 1 deletions

diff --git a/src/display_buffer.hh b/src/display_buffer.hh
index 35381058..8e543284 100644
--- a/src/display_buffer.hh
+++ b/src/display_buffer.hh
@@ -117,9 +117,14 @@ public:
     CharCount length() const;
     const BufferRange& range() const { return m_range; }
 
-    // Split atom pointed by it at pos, returns an iterator to the first atom
+    // Split atom pointed by it at buffer coord pos,
+    // returns an iterator to the first atom
     iterator split(iterator it, ByteCoord pos);
 
+    // Split atom pointed by it at its pos character,
+    // returns an iterator to the first atom
+    iterator split(iterator it, CharCount pos);
+
     iterator insert(iterator it, DisplayAtom atom);
     iterator erase(iterator beg, iterator end);
     void     push_back(DisplayAtom atom);