From f1ab285f11736d8e00a3ecbe7b1837abb2df0c1b Mon Sep 17 00:00:00 2001
From: jdhao <jdhao@hotmail.com>
Date: Sat, 23 Oct 2021 20:32:33 +0800
Subject: [PATCH] update diffopt

Use historgram diff algorithm, which semes better at showing code
changes.
---
 core/options.vim | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/core/options.vim b/core/options.vim
index 0b39b70..b62691a 100644
--- a/core/options.vim
+++ b/core/options.vim
@@ -174,4 +174,11 @@ set signcolumn=auto:2
 " Remove certain character from file name pattern matching
 set isfname-==
 set isfname-=,
+
+" diff options
+set diffopt=
+set diffopt+=vertical  " show diff in vertical position
+set diffopt+=filler  " show filler for deleted lines
+set diffopt+=context:3  " context for diff
+set diffopt+=internal,indent-heuristic,algorithm:histogram
 "}