Change from LaTeX-Box to vimtex

after/ftplugin/tex.vim

@@ -1,35 +1,3 @@
-" set makeprg=latexmk
-
-setlocal errorformat=%f:%l:\ %m,%f:%l-%\\d%\\+:\ %m
-if filereadable('Makefile')
-  setlocal makeprg=make
-else
-  exec "setlocal makeprg=make\\ -f\\ ~/.config/makefiles/latex.mk\\ " . substitute(bufname("%"),"tex$","pdf", "")
-endif
-
-let g:LatexBox_completion_environments += [
-	\ {'word': 'frame',       'menu': 'beamer frame'},
-	\ {'word': 'block',       'menu': 'beamer block'},
-	\ {'word': 'alertblock',  'menu': 'beamer block'},
-	\ {'word': 'tikzpicture', 'menu': 'tikz'},
-	\ {'word': 'cases',       'menu': 'math cases'},
-	\ {'word': 'lstlisting',  'menu': 'code listing'},
-	\ {'word': 'matrix',      'menu': 'matrix'},
-	\ {'word': 'pmatrix',     'menu': '(matrix)'},
-	\ {'word': 'bmatrix',     'menu': '[matrix]'},
-	\ {'word': 'Bmatrix',     'menu': '{matrix}'},
-	\ {'word': 'subfigure',   'menu': 'subfigure'},
-	\ {'word': 'split',       'menu': 'math split'},
-\]
-
-let g:LatexBox_completion_commands += [
-	\ {'word': '\ExplSyntaxOn',  'menu': 'start LaTeX3 syntax'},
-	\ {'word': '\ExplSyntaxOff', 'menu': 'stop LaTeX3 syntax'},
-	\ {'word': '\frametitle',    'menu': 'beamer title'},
-	\ {'word': '\alert',         'menu': 'beamer title'},
-	\ {'word': '\uncover<',      'menu': 'beamer uncover', 'abbr': '\uncover'}
-\]
-
 if exists("&cole")
   " conceal" Use conceal vim 7.3 feature:
   set cole=0	" conceal level
@@ -39,7 +7,7 @@ if exists("&cole")
 endif
 
 imap <buffer> [[         \begin{<C-x><C-o>
-imap <buffer> ]]         <Plug>LatexCloseCurEnv
+imap <buffer> ]]         <Plug>(vimtex-delim-close)
 imap <buffer> [(         \left(
 
 nmap <buffer> <F5>		<Plug>LatexChangeEnv
@@ -50,3 +18,5 @@ map <silent> <buffer> <F10>      :exec "silent !xdg-open" expand("%:t:r") . ".pd
 map <silent> <buffer> <expr> <F9>       vimproc#system_bg("latexmk " . expand("%") . " &")
 
 setlocal tw=100
+
+map <silent> <buffer> <F3> :exec "Ack! -w " . substitute(expand('<cword>'), 'SRC','\\>','')<cr>v:ccl<cr>zR

packages.vim

@@ -70,7 +70,7 @@ Plug 'w0rp/ale'
 Plug 'jamessan/vim-gnupg'
 Plug 'powerman/vim-plugin-AnsiEsc'
 Plug 'tpope/vim-markdown'
-Plug 'LaTeX-Box-Team/LaTeX-Box'
+Plug 'lervag/vimtex'
 Plug 'ledger/vim-ledger'
 Plug 'elzr/vim-json'
 Plug 'kchmck/vim-coffee-script'