Support codepoints of variable width

Add a ColumnCount type and use it in place of CharCount whenever
more appropriate, take column size of codepoints into account for
vertical movements and docstring wrapping.

Fixes #811

1 files changed, 2 insertions, 2 deletions

diff --git a/src/insert_completer.hh b/src/insert_completer.hh
index d29af8bd..064047f8 100644
--- a/src/insert_completer.hh
+++ b/src/insert_completer.hh
@@ -64,8 +64,8 @@ struct InsertCompletion
 
     using CandidateList = Vector<Candidate>;
 
-    ByteCoord begin;
-    ByteCoord end;
+    BufferCoord begin;
+    BufferCoord end;
     CandidateList candidates;
     size_t timestamp;