From 803edeaee97bea3690fdb5db76cd58b8d4f7cc03 Mon Sep 17 00:00:00 2001
From: Hiroshi Shirosaki <h.shirosaki@gmail.com>
Date: Fri, 15 Jan 2016 18:04:49 +0900
Subject: [PATCH 1/1] Use vertical resize command

We can resize window without changing winwidth option.
---
 ftplugin/markdown.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index ae81c80..752aee4 100644
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -347,9 +347,9 @@ function! s:Toc(...)
         vertical lopen
         " auto-fit toc window when possible to shrink it
         if (&columns/2) > l:header_max_len && g:vim_markdown_toc_autofit == 1
-            let &winwidth = (l:header_max_len + 1)
+            execute 'vertical resize ' . (l:header_max_len + 1)
         else
-            let &winwidth = (&columns/2)
+            execute 'vertical resize ' . (&columns/2)
         endif
     elseif l:window_type ==# 'tab'
         tab lopen
-- 
2.39.5