# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1280665368 -7200
# Node ID 0b8612c2814d7f42f1ba55a846f5c2b7f7e06ba4
# Parent  7e9da593951dabc23efd50f74c2b0d0b4dc8b986
Fix: changing case of a character removed combining characters.

diff --git a/src/ops.c b/src/ops.c
--- a/src/ops.c
+++ b/src/ops.c
@@ -2433,7 +2433,8 @@ swapchar(op_type, pos)
 	    pos_T   sp = curwin->w_cursor;
 
 	    curwin->w_cursor = *pos;
-	    del_char(FALSE);
+	    /* don't use del_char(), it also removes composing chars */
+	    del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE);
 	    ins_char(nc);
 	    curwin->w_cursor = sp;
 	}