I tried to show the result of quickrun on a new tab page. I succeed in showing the result via a new tab page by the following vimrc. A function Unique_open_tab opens the result via a new tab page. (In fact, there are many buffers created by quickrun, thus I remove duplicated buffers in the function.)

The problem is that the title of the result tab page is changed when I stay on another tab page as following. In the following, I describe the problem more precisely. The first figure shows I am editing 'test.tex'. The second figure shows a window after running quickrun. Please see a new tab page is opened and its title is 'test.tex'. In fact, the result of the quickrun is written on the new tab page. The third figure shows a window after moving to the result tab page. In this case, the title of the result has been changed from 'test.tex' to '[quickrun output]'.

I think this problem can be caused by vim-airline because the problem does not occur when I disable the setting g:airline#extensions#tabline#enabled. I should remark that this problem occurs after updating vim-airline, but I don't know the version I previously used.

I want to keep the title of the result '[quickrun output]' when I stay on another tab page by using the tabline setting provided by vim-airline. Does anyone have any ideas on how to solve the problem?

source $VIMRUNTIME/defaults.vim

let s:dein_dir = expand('~/.cache/dein')
let s:dein_repo_dir = s:dein_dir . '/repos/github.com/Shougo/dein.vim'

if &runtimepath !~# '/dein.vim'
  if !isdirectory(s:dein_repo_dir)
    execute '!git clone https://github.com/Shougo/dein.vim' s:dein_repo_dir
  execute 'set runtimepath^=' . fnamemodify(s:dein_repo_dir, ':p')

if dein#load_state(s:dein_dir)
  call dein#begin(s:dein_dir)
  call dein#add('Shougo/vimproc.vim', {'build' : 'make'})
  call dein#add('thinca/vim-quickrun')
  call dein#add('vim-airline/vim-airline')
  call dein#end()
  call dein#save_state()

" Show the result of quickrun by opening a new tab
" and remove duplicated bufferes created by quickrun
command! -nargs=1 Uniqtab call Unique_open_tab(<f-args>)
function! Unique_open_tab(option)
    for i in range(1,tabpagenr('$'))
        let bufnrs=tabpagebuflist(i)
        let currentbuf=bufnrs[tabpagewinnr(i)-1]
        if "[quickrun output]" == bufname(currentbuf)
            execute "tabclose ".i
    tabnew a:option

if dein#tap('vim-quickrun')
  let g:quickrun_config = get(g:, 'quickrun_config', {})
  let g:quickrun_config._ = {
        \ 'runner'    : 'vimproc',
        \ 'runner/vimproc/updatetime' : 60,
        \ 'outputter' : 'buffered',
        \ 'outputter/buffered/target' : 'buffer',
        \ 'outputter/buffer/split'  : ':Uniqtab',
        \ 'outputter/buffer/close_on_empty' : 1,
        \ }
  let g:quickrun_config['tex'] = {
            \   'command' : 'latexmk',
            \   'cmdopt': '-pv',
            \   'hook/cd/directory': '%S:h',
            \   'exec': ['%c %o %s']
            \ }

if dein#tap('vim-airline')
  let g:airline#extensions#tabline#enabled = 1

syntax on

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