Change latex provider to luatex, closes #476

11 files changed, 57 insertions, 3260 deletions

diff --git a/ftplugin/bib.vim b/ftplugin/bib.vim
new file mode 100644
index 00000000..ceadde15
--- /dev/null
+++ b/ftplugin/bib.vim
@@ -0,0 +1,28 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
+
+" vimtex - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+if !get(g:, 'vimtex_enabled', 1)
+  finish
+endif
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal comments=sO:%\ -,mO:%\ \ ,eO:%%,:%
+setlocal commentstring=\%\ %s
+
+" Initialize local LaTeX state if applicable
+let b:vimtex = getbufvar('#', 'vimtex', {})
+if empty(b:vimtex) | unlet b:vimtex | finish | endif
+
+" Apply errorformat for properly handling quickfix entries
+silent! call b:vimtex.qf.set_errorformat()
+
+endif
diff --git a/ftplugin/latex-box/common.vim b/ftplugin/latex-box/common.vim
deleted file mode 100644
index 1a972c9b..00000000
--- a/ftplugin/latex-box/common.vim
+++ /dev/null
@@ -1,417 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" LaTeX Box common functions
-
-" Error Format {{{
-" Note: The error formats assume we're using the -file-line-error with
-"       [pdf]latex.
-" Note: See |errorformat-LaTeX| for more info.
-
-" Check for options
-if !exists("g:LatexBox_show_warnings")
-	let g:LatexBox_show_warnings=1
-endif
-if !exists("g:LatexBox_ignore_warnings")
-	let g:LatexBox_ignore_warnings =
-				\['Underfull',
-				\ 'Overfull',
-				\ 'specifier changed to']
-endif
-
-" Standard error message formats
-" Note: We consider statements that starts with "!" as errors
-setlocal efm=%E!\ LaTeX\ %trror:\ %m
-setlocal efm+=%E%f:%l:\ %m
-setlocal efm+=%E!\ %m
-
-" More info for undefined control sequences
-setlocal efm+=%Z<argument>\ %m
-
-" More info for some errors
-setlocal efm+=%Cl.%l\ %m
-
-" Show or ignore warnings
-if g:LatexBox_show_warnings
-	" Parse biblatex warnings
-	setlocal efm+=%-C(biblatex)%.%#in\ t%.%#
-	setlocal efm+=%-C(biblatex)%.%#Please\ v%.%#
-	setlocal efm+=%-C(biblatex)%.%#LaTeX\ a%.%#
-	setlocal efm+=%-Z(biblatex)%m
-
-	" Parse hyperref warnings
-	setlocal efm+=%-C(hyperref)%.%#on\ input\ line\ %l.
-
-	for w in g:LatexBox_ignore_warnings
-		let warning = escape(substitute(w, '[\,]', '%\\\\&', 'g'), ' ')
-		exe 'setlocal efm+=%-G%.%#'. warning .'%.%#'
-	endfor
-	setlocal efm+=%+WLaTeX\ %.%#Warning:\ %.%#line\ %l%.%#
-	setlocal efm+=%+W%.%#\ at\ lines\ %l--%*\\d
-	setlocal efm+=%+WLaTeX\ %.%#Warning:\ %m
-	setlocal efm+=%+W%.%#Warning:\ %m
-else
-	setlocal efm+=%-WLaTeX\ %.%#Warning:\ %.%#line\ %l%.%#
-	setlocal efm+=%-W%.%#\ at\ lines\ %l--%*\\d
-	setlocal efm+=%-WLaTeX\ %.%#Warning:\ %m
-	setlocal efm+=%-W%.%#Warning:\ %m
-endif
-
-" Push file to file stack
-setlocal efm+=%+P**%f
-setlocal efm+=%+P**\"%f\"
-
-" Ignore unmatched lines
-setlocal efm+=%-G%.%#
-" }}}
-
-" Vim Windows {{{
-
-" Type of split, "new" for horiz. "vnew" for vert.
-if !exists('g:LatexBox_split_type')
-	let g:LatexBox_split_type = "vnew"
-endif
-
-" Length of vertical splits
-if !exists('g:LatexBox_split_length')
-	let g:LatexBox_split_length = 15
-endif
-
-" Width of horizontal splits
-if !exists('g:LatexBox_split_width')
-	let g:LatexBox_split_width = 30
-endif
-
-" Where splits appear
-if !exists('g:LatexBox_split_side')
-	let g:LatexBox_split_side = "aboveleft"
-endif
-
-" Resize when split?
-if !exists('g:LatexBox_split_resize')
-	let g:LatexBox_split_resize = 0
-endif
-
-" Toggle help info
-if !exists('g:LatexBox_toc_hidehelp')
-	let g:LatexBox_toc_hidehelp = 0
-endif
-" }}}
-
-" Filename utilities {{{
-function! LatexBox_GetMainTexFile()
-
-	" 1. check for the b:main_tex_file variable
-	if exists('b:main_tex_file') && filereadable(b:main_tex_file)
-		return b:main_tex_file
-	endif
-
-
-	" 2. scan the first few lines of the file for root = filename
-	for linenum in range(1,5)
-		let linecontents = getline(linenum)
-		if linecontents =~ 'root\s*='
-			" Remove everything but the filename
-			let b:main_tex_file = substitute(linecontents,
-						\ '.*root\s*=\s*', "", "")
-			let b:main_tex_file = substitute(b:main_tex_file, '\s*$', "", "")
-			" Prepend current directory if this isn't an absolute path
-			if b:main_tex_file !~ '^/'
-				let b:main_tex_file = expand('%:p:h') . '/' . b:main_tex_file
-			endif
-			let b:main_tex_file = fnamemodify(b:main_tex_file, ":p")
-			if b:main_tex_file !~ '\.tex$'
-				let b:main_tex_file .= '.tex'
-			endif
-			return b:main_tex_file
-		endif
-	endfor
-
-	" 3. scan current file for "\begin{document}"
-	if &filetype == 'tex' && search('\m\C\\begin\_\s*{document}', 'nw') != 0
-		return expand('%:p')
-	endif
-
-	" 4. use 'main.tex' if it exists in the same directory (and is readable)
-	let s:main_dot_tex_file=expand('%:p:h') . '/main.tex'
-	if filereadable(s:main_dot_tex_file)
-		let b:main_tex_file=s:main_dot_tex_file
-		return b:main_tex_file
-	endif
-
-	" 5. borrow the Vim-Latex-Suite method of finding it
-	if LatexBox_GetMainFileName() != expand('%:p')
-		let b:main_tex_file = LatexBox_GetMainFileName()
-		return b:main_tex_file
-	endif
-
-	" 6. prompt for file with completion
-	let b:main_tex_file = s:PromptForMainFile()
-	return b:main_tex_file
-endfunction
-
-function! s:PromptForMainFile()
-	let saved_dir = getcwd()
-	execute 'cd ' . fnameescape(expand('%:p:h'))
-
-	" Prompt for file
-	let l:file = ''
-	while !filereadable(l:file)
-		let l:file = input('main LaTeX file: ', '', 'file')
-		if l:file !~ '\.tex$'
-			let l:file .= '.tex'
-		endif
-	endwhile
-	let l:file = fnamemodify(l:file, ':p')
-
-	" Make persistent
-	let l:persistent = ''
-	while l:persistent !~ '\v^(y|n)'
-		let l:persistent = input('make choice persistent? (y, n) ')
-		if l:persistent == 'y'
-			call writefile([], l:file . '.latexmain')
-		endif
-	endwhile
-
-	execute 'cd ' . fnameescape(saved_dir)
-	return l:file
-endfunction
-
-" Return the directory of the main tex file
-function! LatexBox_GetTexRoot()
-	return fnamemodify(LatexBox_GetMainTexFile(), ':h')
-endfunction
-
-function! LatexBox_GetBuildBasename(with_dir)
-	" 1. Check for g:LatexBox_jobname
-	if exists('g:LatexBox_jobname')
-		return g:LatexBox_jobname
-	endif
-
-	" 2. Get the basename from the main tex file
-	if a:with_dir
-		return fnamemodify(LatexBox_GetMainTexFile(), ':r')
-	else
-		return fnamemodify(LatexBox_GetMainTexFile(), ':t:r')
-	endif
-endfunction
-
-function! LatexBox_GetAuxFile()
-	" 1. check for b:build_dir variable
-	if exists('b:build_dir') && isdirectory(b:build_dir)
-		return b:build_dir . '/' . LatexBox_GetBuildBasename(0) . '.aux'
-	endif
-
-	" 2. check for g:LatexBox_build_dir variable
-	if exists('g:LatexBox_build_dir') && isdirectory(g:LatexBox_build_dir)
-		return g:LatexBox_build_dir . '/' . LatexBox_GetBuildBasename(0) . '.aux'
-	endif
-
-	" 3. use the base name of main tex file
-	return LatexBox_GetBuildBasename(1) . '.aux'
-endfunction
-
-function! LatexBox_GetLogFile()
-	" 1. check for b:build_dir variable
-	if exists('b:build_dir') && isdirectory(b:build_dir)
-		return b:build_dir . '/' . LatexBox_GetBuildBasename(0) . '.log'
-	endif
-
-	" 2. check for g:LatexBox_build_dir variable
-	if exists('g:LatexBox_build_dir') && isdirectory(g:LatexBox_build_dir)
-		return g:LatexBox_build_dir . '/' . LatexBox_GetBuildBasename(0) . '.log'
-	endif
-
-	" 3. use the base name of main tex file
-	return LatexBox_GetBuildBasename(1) . '.log'
-endfunction
-
-function! LatexBox_GetOutputFile()
-	" 1. check for b:build_dir variable
-	if exists('b:build_dir') && isdirectory(b:build_dir)
-		return b:build_dir . '/' . LatexBox_GetBuildBasename(0)
-					\ . '.' . g:LatexBox_output_type
-	endif
-
-	" 2. check for g:LatexBox_build_dir variable
-	if exists('g:LatexBox_build_dir') && isdirectory(g:LatexBox_build_dir)
-		return g:LatexBox_build_dir . '/' . LatexBox_GetBuildBasename(0)
-					\ . '.' . g:LatexBox_output_type
-	endif
-
-	" 3. use the base name of main tex file
-	return LatexBox_GetBuildBasename(1) . '.' . g:LatexBox_output_type
-endfunction
-" }}}
-
-" View Output {{{
-
-" Default pdf viewer
-if !exists('g:LatexBox_viewer')
-	" On windows, 'running' a file will open it with the default program
-	let s:viewer = ''
-	if has('unix')
-	  " echo -n necessary as uname -s will append \n otherwise
-      let s:uname = system('echo -n $(uname -s)')
-	  if s:uname == "Darwin"
-		  let s:viewer = 'open'
-	  else
-		  let s:viewer = 'xdg-open'
-	  endif
-	endif
-	let g:LatexBox_viewer = s:viewer
-endif
-
-function! LatexBox_View(...)
-	let lvargs = join(a:000, ' ')
-	let outfile = LatexBox_GetOutputFile()
-	if !filereadable(outfile)
-		echomsg fnamemodify(outfile, ':.') . ' is not readable'
-		return
-	endif
-	let cmd = g:LatexBox_viewer . ' ' . lvargs . ' ' . shellescape(outfile)
-	if has('win32')
-		let cmd = '!start /b ' . cmd . ' >nul'
-	else
-		let cmd = '!' . cmd . ' '
-		if fnamemodify(&shell, ':t') ==# 'fish'
-			let cmd .= ' >/dev/null ^/dev/null &'
-		else
-			let cmd .= ' &>/dev/null &'
-		endif
-	endif
-	silent execute cmd
-	if !has("gui_running")
-		redraw!
-	endif
-endfunction
-
-command! -nargs=* LatexView call LatexBox_View('<args>')
-" }}}
-
-" In Comment {{{
-
-" LatexBox_InComment([line], [col])
-" return true if inside comment
-function! LatexBox_InComment(...)
-	let line = a:0 >= 1 ? a:1 : line('.')
-	let col = a:0 >= 2 ? a:2 : col('.')
-	return synIDattr(synID(line, col, 0), "name") =~# '^texComment'
-endfunction
-" }}}
-
-" Get Current Environment {{{
-
-" LatexBox_GetCurrentEnvironment([with_pos])
-" Returns:
-" - environment
-"	  if with_pos is not given
-" - [envirnoment, lnum_begin, cnum_begin, lnum_end, cnum_end]
-"	  if with_pos is nonzero
-function! LatexBox_GetCurrentEnvironment(...)
-	if a:0 > 0
-		let with_pos = a:1
-	else
-		let with_pos = 0
-	endif
-
-	let begin_pat = '\C\\begin\_\s*{[^}]*}\|\\\@<!\\\[\|\\\@<!\\('
-	let end_pat = '\C\\end\_\s*{[^}]*}\|\\\@<!\\\]\|\\\@<!\\)'
-	let saved_pos = getpos('.')
-
-	" move to the left until on a backslash
-	let [bufnum, lnum, cnum, off] = getpos('.')
-	let line = getline(lnum)
-	while cnum > 1 && line[cnum - 1] != '\'
-		let cnum -= 1
-	endwhile
-	call cursor(lnum, cnum)
-
-	" match begin/end pairs but skip comments
-	let flags = 'bnW'
-	if strpart(getline('.'), col('.') - 1) =~ '^\%(' . begin_pat . '\)'
-		let flags .= 'c'
-	endif
-	let [lnum1, cnum1] = searchpairpos(begin_pat, '', end_pat, flags,
-				\ 'LatexBox_InComment()')
-
-	let env = ''
-
-	if lnum1
-		let line = strpart(getline(lnum1), cnum1 - 1)
-
-		if empty(env)
-			let env = matchstr(line, '^\C\\begin\_\s*{\zs[^}]*\ze}')
-		endif
-		if empty(env)
-			let env = matchstr(line, '^\\\[')
-		endif
-		if empty(env)
-			let env = matchstr(line, '^\\(')
-		endif
-	endif
-
-	if with_pos == 1
-		let flags = 'nW'
-		if !(lnum1 == lnum && cnum1 == cnum)
-			let flags .= 'c'
-		endif
-
-		let [lnum2, cnum2] = searchpairpos(begin_pat, '', end_pat, flags,
-					\ 'LatexBox_InComment()')
-
-		call setpos('.', saved_pos)
-		return [env, lnum1, cnum1, lnum2, cnum2]
-	else
-		call setpos('.', saved_pos)
-		return env
-	endif
-endfunction
-" }}}
-
-" Tex To Tree {{{
-" stores nested braces in a tree structure
-function! LatexBox_TexToTree(str)
-	let tree = []
-	let i1 = 0
-	let i2 = -1
-	let depth = 0
-	while i2 < len(a:str)
-		let i2 = match(a:str, '[{}]', i2 + 1)
-		if i2 < 0
-			let i2 = len(a:str)
-		endif
-		if i2 >= len(a:str) || a:str[i2] == '{'
-			if depth == 0
-				let item = substitute(strpart(a:str, i1, i2 - i1),
-							\ '^\s*\|\s*$', '', 'g')
-				if !empty(item)
-					call add(tree, item)
-				endif
-				let i1 = i2 + 1
-			endif
-			let depth += 1
-		else
-			let depth -= 1
-			if depth == 0
-				call add(tree, LatexBox_TexToTree(strpart(a:str, i1, i2 - i1)))
-				let i1 = i2 + 1
-			endif
-		endif
-	endwhile
-	return tree
-endfunction
-" }}}
-
-" Tree To Tex {{{
-function! LatexBox_TreeToTex(tree)
-	if type(a:tree) == type('')
-		return a:tree
-	else
-		return '{' . join(map(a:tree, 'LatexBox_TreeToTex(v:val)'), '') . '}'
-	endif
-endfunction
-" }}}
-
-" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
-
-endif
diff --git a/ftplugin/latex-box/complete.vim b/ftplugin/latex-box/complete.vim
deleted file mode 100644
index 56e7516e..00000000
--- a/ftplugin/latex-box/complete.vim
+++ /dev/null
@@ -1,936 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" LaTeX Box completion
-
-setlocal omnifunc=LatexBox_Complete
-
-" <SID> Wrap {{{
-function! s:GetSID()
-	return matchstr(expand('<sfile>'), '\zs<SNR>\d\+_\ze.*$')
-endfunction
-let s:SID = s:GetSID()
-function! s:SIDWrap(func)
-	return s:SID . a:func
-endfunction
-" }}}
-
-" Completion {{{
-if !exists('g:LatexBox_completion_close_braces')
-	let g:LatexBox_completion_close_braces = 1
-endif
-if !exists('g:LatexBox_bibtex_wild_spaces')
-	let g:LatexBox_bibtex_wild_spaces = 1
-endif
-
-if !exists('g:LatexBox_cite_pattern')
-	let g:LatexBox_cite_pattern = '\C\\\a*cite\a*\*\?\(\[[^\]]*\]\)*\_\s*{'
-endif
-if !exists('g:LatexBox_ref_pattern')
-	let g:LatexBox_ref_pattern = '\C\\v\?\(eq\|page\|[cC]\|labelc\|name\|auto\)\?ref\*\?\_\s*{'
-endif
-
-if !exists('g:LatexBox_completion_environments')
-	let g:LatexBox_completion_environments = [
-		\ {'word': 'itemize',		'menu': 'bullet list' },
-		\ {'word': 'enumerate',		'menu': 'numbered list' },
-		\ {'word': 'description',	'menu': 'description' },
-		\ {'word': 'center',		'menu': 'centered text' },
-		\ {'word': 'figure',		'menu': 'floating figure' },
-		\ {'word': 'table',			'menu': 'floating table' },
-		\ {'word': 'equation',		'menu': 'equation (numbered)' },
-		\ {'word': 'align',			'menu': 'aligned equations (numbered)' },
-		\ {'word': 'align*',		'menu': 'aligned equations' },
-		\ {'word': 'document' },
-		\ {'word': 'abstract' },
-		\ ]
-endif
-
-if !exists('g:LatexBox_completion_commands')
-	let g:LatexBox_completion_commands = [
-		\ {'word': '\begin{' },
-		\ {'word': '\end{' },
-		\ {'word': '\item' },
-		\ {'word': '\label{' },
-		\ {'word': '\ref{' },
-		\ {'word': '\eqref{eq:' },
-		\ {'word': '\cite{' },
-		\ {'word': '\chapter{' },
-		\ {'word': '\section{' },
-		\ {'word': '\subsection{' },
-		\ {'word': '\subsubsection{' },
-		\ {'word': '\paragraph{' },
-		\ {'word': '\nonumber' },
-		\ {'word': '\bibliography' },
-		\ {'word': '\bibliographystyle' },
-		\ ]
-endif
-
-if !exists('g:LatexBox_complete_inlineMath')
-	let g:LatexBox_complete_inlineMath = 0
-endif
-
-if !exists('g:LatexBox_eq_env_patterns')
-	let g:LatexBox_eq_env_patterns = 'equation\|gather\|multiline\|align\|flalign\|alignat\|eqnarray'
-endif
-
-" }}}
-
-"LatexBox_kpsewhich {{{
-function! LatexBox_kpsewhich(file)
-	let old_dir = getcwd()
-	execute 'lcd ' . fnameescape(LatexBox_GetTexRoot())
-	let out = system('kpsewhich "' . a:file . '"')
-
-	" If kpsewhich has found something, it returns a non-empty string with a
-	" newline at the end; otherwise the string is empty
-	if len(out)
-		" Remove the trailing newline
-		let out = fnamemodify(out[:-2], ':p')
-	endif
-
-	execute 'lcd ' . fnameescape(old_dir)
-
-	return out
-endfunction
-"}}}
-
-" Omni Completion {{{
-
-let s:completion_type = ''
-
-function! LatexBox_Complete(findstart, base)
-	if a:findstart
-		" return the starting position of the word
-		let line = getline('.')
-		let pos = col('.') - 1
-		while pos > 0 && line[pos - 1] !~ '\\\|{'
-			let pos -= 1
-		endwhile
-
-		let line_start = line[:pos-1]
-		if line_start =~ '\m\C\\begin\_\s*{$'
-			let s:completion_type = 'begin'
-		elseif line_start =~ '\m\C\\end\_\s*{$'
-			let s:completion_type = 'end'
-		elseif line_start =~ '\m' . g:LatexBox_ref_pattern . '$'
-			let s:completion_type = 'ref'
-		elseif line_start =~ '\m' . g:LatexBox_cite_pattern . '$'
-			let s:completion_type = 'bib'
-			" check for multiple citations
-			let pos = col('.') - 1
-			while pos > 0 && line[pos - 1] !~ '{\|,'
-				let pos -= 1
-			endwhile
-		elseif s:LatexBox_complete_inlineMath_or_not()
-			let s:completion_type = 'inlineMath'
-			let pos = s:eq_pos
-		else
-			let s:completion_type = 'command'
-			if line[pos - 1] == '\'
-				let pos -= 1
-			endif
-		endif
-		return pos
-	else
-		" return suggestions in an array
-		let suggestions = []
-
-		if s:completion_type == 'begin'
-			" suggest known environments
-			for entry in g:LatexBox_completion_environments
-				if entry.word =~ '^' . escape(a:base, '\')
-					if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^}')
-						" add trailing '}'
-						let entry = copy(entry)
-						let entry.abbr = entry.word
-						let entry.word = entry.word . '}'
-					endif
-					call add(suggestions, entry)
-				endif
-			endfor
-		elseif s:completion_type == 'end'
-			" suggest known environments
-			let env = LatexBox_GetCurrentEnvironment()
-			if env != ''
-				if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^\s*[,}]')
-					call add(suggestions, {'word': env . '}', 'abbr': env})
-				else
-					call add(suggestions, env)
-				endif
-			endif
-		elseif s:completion_type == 'command'
-			" suggest known commands
-			for entry in g:LatexBox_completion_commands
-				if entry.word =~ '^' . escape(a:base, '\')
-					" do not display trailing '{'
-					if entry.word =~ '{'
-						let entry.abbr = entry.word[0:-2]
-					endif
-					call add(suggestions, entry)
-				endif
-			endfor
-		elseif s:completion_type == 'ref'
-			let suggestions = s:CompleteLabels(a:base)
-		elseif s:completion_type == 'bib'
-			" suggest BibTeX entries
-			let suggestions = LatexBox_BibComplete(a:base)
-		elseif s:completion_type == 'inlineMath'
-			let suggestions = s:LatexBox_inlineMath_completion(a:base)
-		endif
-		if !has('gui_running')
-			redraw!
-		endif
-		return suggestions
-	endif
-endfunction
-" }}}
-
-" BibTeX search {{{
-
-" find the \bibliography{...} commands
-" the optional argument is the file name to be searched
-
-function! s:FindBibData(...)
-	if a:0 == 0
-		let file = LatexBox_GetMainTexFile()
-	else
-		let file = a:1
-	endif
-
-	if !filereadable(file)
-		return []
-	endif
-	let lines = readfile(file)
-	let bibdata_list = []
-
-	"
-	" Search for added bibliographies
-	"
-	let bibliography_cmds = [
-				\ '\\bibliography',
-				\ '\\addbibresource',
-				\ '\\addglobalbib',
-				\ '\\addsectionbib',
-				\ ]
-	for cmd in bibliography_cmds
-		let filtered = filter(copy(lines),
-					\ 'v:val =~ ''\C' . cmd . '\s*{[^}]\+}''')
-		let files = map(filtered,
-					\ 'matchstr(v:val, ''\C' . cmd . '\s*{\zs[^}]\+\ze}'')')
-		for file in files
-			let bibdata_list += map(split(file, ','),
-						\ 'fnamemodify(v:val, '':r'')')
-		endfor
-	endfor
-
-	"
-	" Also search included files
-	"
-	for input in filter(lines,
-				\ 'v:val =~ ''\C\\\%(input\|include\)\s*{[^}]\+}''')
-		let bibdata_list += s:FindBibData(LatexBox_kpsewhich(
-					\ matchstr(input,
-						\ '\C\\\%(input\|include\)\s*{\zs[^}]\+\ze}')))
-	endfor
-
-	return bibdata_list
-endfunction
-
-let s:bstfile = expand('<sfile>:p:h') . '/vimcomplete'
-
-function! LatexBox_BibSearch(regexp)
-	let res = []
-
-	" Find data from bib files
-	let bibdata = join(s:FindBibData(), ',')
-	if bibdata != ''
-
-		" write temporary aux file
-		let tmpbase = LatexBox_GetTexRoot() . '/_LatexBox_BibComplete'
-		let auxfile = tmpbase . '.aux'
-		let bblfile = tmpbase . '.bbl'
-		let blgfile = tmpbase . '.blg'
-
-		call writefile(['\citation{*}', '\bibstyle{' . s:bstfile . '}',
-					\ '\bibdata{' . bibdata . '}'], auxfile)
-
-		if has('win32')
-			let l:old_shellslash = &l:shellslash
-			setlocal noshellslash
-			call system('cd ' . shellescape(LatexBox_GetTexRoot()) .
-						\ ' & bibtex -terse '
-						\ . fnamemodify(auxfile, ':t') . ' >nul')
-			let &l:shellslash = l:old_shellslash
-		else
-			call system('cd ' . shellescape(LatexBox_GetTexRoot()) .
-						\ ' ; bibtex -terse '
-						\ . fnamemodify(auxfile, ':t') . ' >/dev/null')
-		endif
-
-		let lines = split(substitute(join(readfile(bblfile), "\n"),
-					\ '\n\n\@!\(\s\=\)\s*\|{\|}', '\1', 'g'), "\n")
-
-		for line in filter(lines, 'v:val =~ a:regexp')
-			let matches = matchlist(line,
-						\ '^\(.*\)||\(.*\)||\(.*\)||\(.*\)||\(.*\)')
-			if !empty(matches) && !empty(matches[1])
-				let s:type_length = max([s:type_length,
-							\ len(matches[2]) + 3])
-				call add(res, {
-							\ 'key': matches[1],
-							\ 'type': matches[2],
-							\ 'author': matches[3],
-							\ 'year': matches[4],
-							\ 'title': matches[5],
-							\ })
-			endif
-		endfor
-
-		call delete(auxfile)
-		call delete(bblfile)
-		call delete(blgfile)
-	endif
-
-	" Find data from 'thebibliography' environments
-	let lines = readfile(LatexBox_GetMainTexFile())
-	if match(lines, '\C\\begin{thebibliography}') >= 0
-		for line in filter(filter(lines, 'v:val =~ ''\C\\bibitem'''),
-					\ 'v:val =~ a:regexp')
-			let match = matchlist(line, '\\bibitem{\([^}]*\)')[1]
-			call add(res, {
-						\ 'key': match,
-						\ 'type': '',
-						\ 'author': '',
-						\ 'year': '',
-						\ 'title': match,
-						\ })
-		endfor
-	endif
-
-	return res
-endfunction
-" }}}
-
-" BibTeX completion {{{
-let s:type_length=0
-function! LatexBox_BibComplete(regexp)
-
-	" treat spaces as '.*' if needed
-	if g:LatexBox_bibtex_wild_spaces
-		"let regexp = substitute(a:regexp, '\s\+', '.*', 'g')
-		let regexp = '.*' . substitute(a:regexp, '\s\+', '\\\&.*', 'g')
-	else
-		let regexp = a:regexp
-	endif
-
-	let res = []
-	let s:type_length = 4
-	for m in LatexBox_BibSearch(regexp)
-		let type = m['type']   == '' ? '[-]' : '[' . m['type']   . '] '
-		let type = printf('%-' . s:type_length . 's', type)
-		let auth = m['author'] == '' ? ''    :       m['author'][:20] . ' '
-		let auth = substitute(auth, '\~', ' ', 'g')
-		let auth = substitute(auth, ',.*\ze', ' et al. ', '')
-		let year = m['year']   == '' ? ''    : '(' . m['year']   . ')'
-		let w = { 'word': m['key'],
-				\ 'abbr': type . auth . year,
-				\ 'menu': m['title'] }
-
-		" close braces if needed
-		if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^\s*[,}]')
-			let w.word = w.word . '}'
-		endif
-
-		call add(res, w)
-	endfor
-	return res
-endfunction
-" }}}
-
-" ExtractLabels {{{
-" Generate list of \newlabel commands in current buffer.
-"
-" Searches the current buffer for commands of the form
-"	\newlabel{name}{{number}{page}.*
-" and returns list of [ name, number, page ] tuples.
-function! s:ExtractLabels()
-	call cursor(1,1)
-
-	let matches = []
-	let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-
-	while [lblline, lblbegin] != [0,0]
-		let [nln, nameend] = searchpairpos( '{', '', '}', 'W' )
-		if nln != lblline
-			let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-			continue
-		endif
-		let curname = strpart( getline( lblline ), lblbegin, nameend - lblbegin - 1 )
-
-		" Ignore cref entries (because they are duplicates)
-		if curname =~# "@cref$"
-		    let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-			continue
-		endif
-
-		if 0 == search( '\m{\w*{', 'ce', lblline )
-		    let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-		    continue
-		endif
-
-		let numberbegin = getpos('.')[2]
-		let [nln, numberend]  = searchpairpos( '{', '', '}', 'W' )
-		if nln != lblline
-			let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-			continue
-		endif
-		let curnumber = strpart( getline( lblline ), numberbegin, numberend - numberbegin - 1 )
-
-		if 0 == search( '\m\w*{', 'ce', lblline )
-		    let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-		    continue
-		endif
-
-		let pagebegin = getpos('.')[2]
-		let [nln, pageend]  = searchpairpos( '{', '', '}', 'W' )
-		if nln != lblline
-			let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-			continue
-		endif
-		let curpage = strpart( getline( lblline ), pagebegin, pageend - pagebegin - 1 )
-
-		let matches += [ [ curname, curnumber, curpage ] ]
-
-		let [lblline, lblbegin] = searchpos( '\\newlabel{', 'ecW' )
-	endwhile
-
-	return matches
-endfunction
-"}}}
-
-" ExtractInputs {{{
-" Generate list of \@input commands in current buffer.
-"
-" Searches the current buffer for \@input{file} entries and
-" returns list of all files.
-function! s:ExtractInputs()
-	call cursor(1,1)
-
-	let matches = []
-	let [inline, inbegin] = searchpos( '\\@input{', 'ecW' )
-
-	while [inline, inbegin] != [0,0]
-		let [nln, inend] = searchpairpos( '{', '', '}', 'W' )
-		if nln != inline
-			let [inline, inbegin] = searchpos( '\\@input{', 'ecW' )
-			continue
-		endif
-		let matches += [ LatexBox_kpsewhich(strpart( getline( inline ), inbegin, inend - inbegin - 1 )) ]
-
-		let [inline, inbegin] = searchpos( '\\@input{', 'ecW' )
-	endwhile
-
-	" Remove empty strings for nonexistant .aux files
-	return filter(matches, 'v:val != ""')
-endfunction
-"}}}
-
-" LabelCache {{{
-" Cache of all labels.
-"
-" LabelCache is a dictionary mapping filenames to tuples
-" [ time, labels, inputs ]
-" where
-" * time is modification time of the cache entry
-" * labels is a list like returned by ExtractLabels
-" * inputs is a list like returned by ExtractInputs
-let s:LabelCache = {}
-"}}}
-
-" GetLabelCache {{{
-" Extract labels from LabelCache and update it.
-"
-" Compares modification time of each entry in the label
-" cache and updates it, if necessary. During traversal of
-" the LabelCache, all current labels are collected and
-" returned.
-function! s:GetLabelCache(file)
-	if !filereadable(a:file)
-		return []
-	endif
-
-	if !has_key(s:LabelCache , a:file) || s:LabelCache[a:file][0] != getftime(a:file)
-		" Open file in temporary split window for label extraction.
-		let main_tex_file = LatexBox_GetMainTexFile()
-		silent execute '1sp +let\ b:main_tex_file=main_tex_file|let\ labels=s:ExtractLabels()|let\ inputs=s:ExtractInputs()|quit! ' . fnameescape(a:file)
-		let s:LabelCache[a:file] = [ getftime(a:file), labels, inputs ]
-	endif
-
-	" We need to create a copy of s:LabelCache[fid][1], otherwise all inputs'
-	" labels would be added to the current file's label cache upon each
-	" completion call, leading to duplicates/triplicates/etc. and decreased
-	" performance.
-	" Also, because we don't anything with the list besides matching copies,
-	" we can get away with a shallow copy for now.
-	let labels = copy(s:LabelCache[a:file][1])
-
-	for input in s:LabelCache[a:file][2]
-		let labels += s:GetLabelCache(input)
-	endfor
-
-	return labels
-endfunction
-"}}}
-
-" Complete Labels {{{
-function! s:CompleteLabels(regex)
-	let labels = s:GetLabelCache(LatexBox_GetAuxFile())
-
-	let matches = filter( copy(labels), 'match(v:val[0], "' . a:regex . '") != -1' )
-	if empty(matches)
-		" also try to match label and number
-		let regex_split = split(a:regex)
-		if len(regex_split) > 1
-			let base = regex_split[0]
-			let number = escape(join(regex_split[1:], ' '), '.')
-			let matches = filter( copy(labels), 'match(v:val[0], "' . base . '") != -1 && match(v:val[1], "' . number . '") != -1' )
-		endif
-	endif
-	if empty(matches)
-		" also try to match number
-		let matches = filter( copy(labels), 'match(v:val[1], "' . a:regex . '") != -1' )
-	endif
-
-	let suggestions = []
-	for m in matches
-		let entry = {'word': m[0], 'menu': printf("%7s [p. %s]", '('.m[1].')', m[2])}
-		if g:LatexBox_completion_close_braces && !s:NextCharsMatch('^\s*[,}]')
-			" add trailing '}'
-			let entry = copy(entry)
-			let entry.abbr = entry.word
-			let entry.word = entry.word . '}'
-		endif
-		call add(suggestions, entry)
-	endfor
-
-	return suggestions
-endfunction
-" }}}
-
-" Complete Inline Math Or Not {{{
-" Return 1, when cursor is in a math env:
-" 	1, there is a single $ in the current line on the left of cursor
-" 	2, there is an open-eq-env on/above the current line
-" 		(open-eq-env : \(, \[, and \begin{eq-env} )
-" Return 0, when cursor is not in a math env
-function! s:LatexBox_complete_inlineMath_or_not()
-
-	" switch of inline math completion feature
-	if g:LatexBox_complete_inlineMath == 0
-		return 0
-	endif
-
-    " env names that can't appear in an eq env
-	if !exists('s:LatexBox_doc_structure_patterns')
-		let s:LatexBox_doc_structure_patterns = '\%(' .  '\\begin\s*{document}\|' .
-					\ '\\\%(chapter\|section\|subsection\|subsubsection\)\*\?\s*{' . '\)'
-	endif
-
-	if !exists('s:LatexBox_eq_env_open_patterns')
-		let s:LatexBox_eq_env_open_patterns = ['\\(','\\\[']
-	endif
-	if !exists('s:LatexBox_eq_env_close_patterns')
-		let s:LatexBox_eq_env_close_patterns = ['\\)','\\\]']
-	endif
-
-	let notcomment = '\%(\%(\\\@<!\%(\\\\\)*\)\@<=%.*\)\@<!'
-
-	let lnum_saved = line('.')
-    let cnum_saved = col('.') -1
-
-    let line = getline('.')
-	let line_start_2_cnum_saved = line[:cnum_saved]
-
-	" determine whether there is a single $ before cursor
-	let cursor_dollar_pair = 0
-	while matchend(line_start_2_cnum_saved, '\$[^$]\+\$', cursor_dollar_pair) >= 0
-		" find the end of dollar pair
-		let cursor_dollar_pair = matchend(line_start_2_cnum_saved, '\$[^$]\+\$', cursor_dollar_pair)
-	endwhile
-	" find single $ after cursor_dollar_pair
-	let cursor_single_dollar = matchend(line_start_2_cnum_saved, '\$', cursor_dollar_pair)
-
-	" if single $ is found
-	if cursor_single_dollar >= 0
-		" check whether $ is in \(...\), \[...\], or \begin{eq}...\end{eq}
-
-		" check current line,
-		" search for LatexBox_eq_env_close_patterns: \[ and \(
-		let lnum = line('.')
-		for i in range(0, (len(s:LatexBox_eq_env_open_patterns)-1))
-			call cursor(lnum_saved, cnum_saved)
-			let cnum_close = searchpos(''. s:LatexBox_eq_env_close_patterns[i].'', 'cbW', lnum_saved)[1]
-			let cnum_open = matchend(line_start_2_cnum_saved, s:LatexBox_eq_env_open_patterns[i], cnum_close)
-			if cnum_open >= 0
-				let s:eq_dollar_parenthesis_bracket_empty = ''
-				let s:eq_pos = cursor_single_dollar - 1
-				return 1
-			end
-		endfor
-
-		" check the lines above
-		" search for s:LatexBox_doc_structure_patterns, and end-of-math-env
-		let lnum -= 1
-		while lnum > 0
-			let line = getline(lnum)
-			if line =~ notcomment . '\(' . s:LatexBox_doc_structure_patterns .
-						\ '\|' . '\\end\s*{\(' . g:LatexBox_eq_env_patterns . '\)\*\?}\)'
-				" when s:LatexBox_doc_structure_patterns or g:LatexBox_eq_env_patterns
-				" are found first, complete math, leave with $ at both sides
-				let s:eq_dollar_parenthesis_bracket_empty = '$'
-				let s:eq_pos = cursor_single_dollar
-				break
-			elseif line =~ notcomment . '\\begin\s*{\(' . g:LatexBox_eq_env_patterns . '\)\*\?}'
-				" g:LatexBox_eq_env_patterns is found, complete math, remove $
-				let s:eq_dollar_parenthesis_bracket_empty = ''
-				let s:eq_pos = cursor_single_dollar - 1
-				break
-			endif
-			let lnum -= 1
-		endwhile
-
-		return 1
-	else
-		" no $ is found, then search for \( or \[ in current line
-		" 1, whether there is \(
-		call cursor(lnum_saved, cnum_saved)
-		let cnum_parenthesis_close = searchpos('\\)', 'cbW', lnum_saved)[1]
-		let cnum_parenthesis_open = matchend(line_start_2_cnum_saved, '\\(', cnum_parenthesis_close)
-		if cnum_parenthesis_open >= 0
-			let s:eq_dollar_parenthesis_bracket_empty = '\)'
-			let s:eq_pos = cnum_parenthesis_open
-			return 1
-		end
-
-		" 2, whether there is \[
-		call cursor(lnum_saved, cnum_saved)
-		let cnum_bracket_close = searchpos('\\\]', 'cbW', lnum_saved)[1]
-		let cnum_bracket_open = matchend(line_start_2_cnum_saved, '\\\[', cnum_bracket_close)
-		if cnum_bracket_open >= 0
-			let s:eq_dollar_parenthesis_bracket_empty = '\]'
-			let s:eq_pos = cnum_bracket_open
-			return 1
-		end
-
-		" not inline math completion
-		return 0
-	endif
-
-endfunction
-" }}}
-
-" Complete inline euqation{{{
-function! s:LatexBox_inlineMath_completion(regex, ...)
-
-	if a:0 == 0
-		let file = LatexBox_GetMainTexFile()
-	else
-		let file = a:1
-	endif
-
-	if empty(glob(file, 1))
-		return ''
-	endif
-
-	if empty(s:eq_dollar_parenthesis_bracket_empty)
-		let inline_pattern1 = '\$\s*\(' . escape(substitute(a:regex[1:], '^\s\+', '', ""), '\.*^') . '[^$]*\)\s*\$'
-		let inline_pattern2 = '\\(\s*\(' . escape(substitute(a:regex[1:], '^\s\+', '', ""), '\.*^') . '.*\)\s*\\)'
-	else
-		let inline_pattern1 = '\$\s*\(' . escape(substitute(a:regex, '^\s\+', '', ""), '\.*^') . '[^$]*\)\s*\$'
-		let inline_pattern2 = '\\(\s*\(' . escape(substitute(a:regex, '^\s\+', '', ""), '\.*^') . '.*\)\s*\\)'
-	endif
-
-
-	let suggestions = []
-	let line_num = 0
-	for line in readfile(file)
-		let line_num = line_num + 1
-
-		let suggestions += s:LatexBox_inlineMath_mathlist(line,inline_pattern1 , line_num) +  s:LatexBox_inlineMath_mathlist( line,inline_pattern2, line_num)
-
- 		" search for included files
- 		let included_file = matchstr(line, '^\\@input{\zs[^}]*\ze}')
- 		if included_file != ''
- 			let included_file = LatexBox_kpsewhich(included_file)
- 			call extend(suggestions, s:LatexBox_inlineMath_completion(a:regex, included_file))
- 		endif
- 	endfor
-
-	return suggestions
-endfunction
-" }}}
-
-" Search for inline maths {{{
-" search for $ ... $ and \( ... \) in each line
-function! s:LatexBox_inlineMath_mathlist(line,inline_pattern, line_num)
-	let col_start = 0
-	let suggestions = []
-	while 1
-		let matches = matchlist(a:line, a:inline_pattern, col_start)
-		if !empty(matches)
-
-			" show line number of inline math
-			let entry = {'word': matches[1], 'menu': '[' . a:line_num . ']'}
-
-            if  s:eq_dollar_parenthesis_bracket_empty != ''
-                let entry = copy(entry)
-                let entry.abbr = entry.word
-                let entry.word = entry.word . s:eq_dollar_parenthesis_bracket_empty
-            endif
-			call add(suggestions, entry)
-
-			" update col_start
-			let col_start = matchend(a:line, a:inline_pattern, col_start)
-		else
-			break
-		endif
-	endwhile
-
-	return suggestions
-endfunction
-" }}}
-
-" Close Current Environment {{{
-function! s:CloseCurEnv()
-	" first, try with \left/\right pairs
-	let [lnum, cnum] = searchpairpos('\C\\left\>', '', '\C\\right\>', 'bnW', 'LatexBox_InComment()')
-	if lnum
-		let line = strpart(getline(lnum), cnum - 1)
-		let bracket = matchstr(line, '^\\left\zs\((\|\[\|\\{\||\|\.\)\ze')
-		for [open, close] in [['(', ')'], ['\[', '\]'], ['\\{', '\\}'], ['|', '|'], ['\.', '|']]
-			let bracket = substitute(bracket, open, close, 'g')
-		endfor
-		return '\right' . bracket
-	endif
-
-	" second, try with environments
-	let env = LatexBox_GetCurrentEnvironment()
-	if env == '\['
-		return '\]'
-	elseif env == '\('
-		return '\)'
-	elseif env != ''
-		return '\end{' . env . '}'
-	endif
-	return ''
-endfunction
-" }}}
-
-" Wrap Selection {{{
-function! s:WrapSelection(wrapper)
-	keepjumps normal! `>a}
-	execute 'keepjumps normal! `<i\' . a:wrapper . '{'
-endfunction
-" }}}
-
-" Wrap Selection in Environment with Prompt {{{
-function! s:PromptEnvWrapSelection(...)
-	let env = input('environment: ', '', 'customlist,' . s:SIDWrap('GetEnvironmentList'))
-	if empty(env)
-		return
-	endif
-	" LaTeXBox's custom indentation can interfere with environment
-	" insertion when environments are indented (common for nested
-	" environments).  Temporarily disable it for this operation:
-	let ieOld = &indentexpr
-	setlocal indentexpr=""
-	if visualmode() ==# 'V'
-		execute 'keepjumps normal! `>o\end{' . env . '}'
-		execute 'keepjumps normal! `<O\begin{' . env . '}'
-		" indent and format, if requested.
-		if a:0 && a:1
-			normal! gv>
-			normal! gvgq
-		endif
-	else
-		execute 'keepjumps normal! `>a\end{' . env . '}'
-		execute 'keepjumps normal! `<i\begin{' . env . '}'
-	endif
-	exe "setlocal indentexpr=" . ieOld
-endfunction
-" }}}
-
-" List Labels with Prompt {{{
-function! s:PromptLabelList(...)
-	" Check if window already exists
-	let winnr = bufwinnr(bufnr('LaTeX Labels'))
-	if winnr >= 0
-		if a:0 == 0
-			silent execute winnr . 'wincmd w'
-		else
-			" Supplying an argument to this function causes toggling instead
-			" of jumping to the labels window
-			if g:LatexBox_split_resize
-				silent exe "set columns-=" . g:LatexBox_split_width
-			endif
-			silent execute 'bwipeout' . bufnr('LaTeX Labels')
-		endif
-		return
-	endif
-
-	" Get label suggestions
-	let regexp = input('filter labels with regexp: ', '')
-	let labels = s:CompleteLabels(regexp)
-
-	let calling_buf = bufnr('%')
-
-	" Create labels window and set local settings
-	if g:LatexBox_split_resize
-		silent exe "set columns+=" . g:LatexBox_split_width
-	endif
-	silent exe g:LatexBox_split_side g:LatexBox_split_width . 'vnew LaTeX\ Labels'
-	let b:toc = []
-	let b:toc_numbers = 1
-	let b:calling_win = bufwinnr(calling_buf)
-	setlocal filetype=latextoc
-
-	" Add label entries and jump to the closest section
-	for entry in labels
-		let number = matchstr(entry['menu'], '^\s*(\zs[^)]\+\ze)')
-		let page = matchstr(entry['menu'], '^[^)]*)\s*\[\zs[^]]\+\ze\]')
-		let e = {'file': bufname(calling_buf),
-					\ 'level': 'label',
-					\ 'number': number,
-					\ 'text': entry['abbr'],
-					\ 'page': page}
-		call add(b:toc, e)
-		if b:toc_numbers
-			call append('$', e['number'] . "\t" . e['text'])
-		else
-			call append('$', e['text'])
-		endif
-	endfor
-	if !g:LatexBox_toc_hidehelp
-		call append('$', "")
-		call append('$', "<Esc>/q: close")
-		call append('$', "<Space>: jump")
-		call append('$', "<Enter>: jump and close")
-		call append('$', "s:       hide numbering")
-	endif
-	0delete _
-
-	" Lock buffer
-	setlocal nomodifiable
-endfunction
-" }}}
-
-" Change Environment {{{
-function! s:ChangeEnvPrompt()
-
-	let [env, lnum, cnum, lnum2, cnum2] = LatexBox_GetCurrentEnvironment(1)
-
-	let new_env = input('change ' . env . ' for: ', '', 'customlist,' . s:SIDWrap('GetEnvironmentList'))
-	if empty(new_env)
-		return
-	endif
-
-	if new_env == '\[' || new_env == '['
-		let begin = '\['
-		let end = '\]'
-	elseif new_env == '\(' || new_env == '('
-		let begin = '\('
-		let end = '\)'
-	else
-		let l:begin = '\begin{' . new_env . '}'
-		let l:end = '\end{' . new_env . '}'
-	endif
-
-	if env == '\[' || env == '\('
-		let line = getline(lnum2)
-		let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + 1)
-		call setline(lnum2, line)
-
-		let line = getline(lnum)
-		let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + 1)
-		call setline(lnum, line)
-	else
-		let line = getline(lnum2)
-		let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + len(env) + 5)
-		call setline(lnum2, line)
-
-		let line = getline(lnum)
-		let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + len(env) + 7)
-		call setline(lnum, line)
-	endif
-endfunction
-
-function! s:GetEnvironmentList(lead, cmdline, pos)
-	let suggestions = []
-	for entry in g:LatexBox_completion_environments
-		let env = entry.word
-		if env =~ '^' . a:lead
-			call add(suggestions, env)
-		endif
-	endfor
-	return suggestions
-endfunction
-
-function! s:LatexToggleStarEnv()
-	let [env, lnum, cnum, lnum2, cnum2] = LatexBox_GetCurrentEnvironment(1)
-
-	if env == '\('
-		return
-	elseif env == '\['
-		let begin = '\begin{equation}'
-		let end = '\end{equation}'
-	elseif env[-1:] == '*'
-		let begin = '\begin{' . env[:-2] . '}'
-		let end   = '\end{'   . env[:-2] . '}'
-	else
-		let begin = '\begin{' . env . '*}'
-		let end   = '\end{'   . env . '*}'
-	endif
-
-	if env == '\['
-		let line = getline(lnum2)
-		let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + 1)
-		call setline(lnum2, line)
-
-		let line = getline(lnum)
-		let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + 1)
-		call setline(lnum, line)
-	else
-		let line = getline(lnum2)
-		let line = strpart(line, 0, cnum2 - 1) . l:end . strpart(line, cnum2 + len(env) + 5)
-		call setline(lnum2, line)
-
-		let line = getline(lnum)
-		let line = strpart(line, 0, cnum - 1) . l:begin . strpart(line, cnum + len(env) + 7)
-		call setline(lnum, line)
-	endif
-endfunction
-" }}}
-
-" Next Charaters Match {{{
-function! s:NextCharsMatch(regex)
-	let rest_of_line = strpart(getline('.'), col('.') - 1)
-	return rest_of_line =~ a:regex
-endfunction
-" }}}
-
-" Mappings {{{
-inoremap <silent> <Plug>LatexCloseCurEnv			<C-R>=<SID>CloseCurEnv()<CR>
-vnoremap <silent> <Plug>LatexWrapSelection			:<c-u>call <SID>WrapSelection('')<CR>i
-vnoremap <silent> <Plug>LatexEnvWrapSelection		:<c-u>call <SID>PromptEnvWrapSelection()<CR>
-vnoremap <silent> <Plug>LatexEnvWrapFmtSelection	:<c-u>call <SID>PromptEnvWrapSelection(1)<CR>
-nnoremap <silent> <Plug>LatexChangeEnv				:call <SID>ChangeEnvPrompt()<CR>
-nnoremap <silent> <Plug>LatexToggleStarEnv			:call <SID>LatexToggleStarEnv()<CR>
-" }}}
-
-" Commands {{{
-command! LatexLabels call <SID>PromptLabelList()
-" }}}
-
-" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
-
-endif
diff --git a/ftplugin/latex-box/findmain.vim b/ftplugin/latex-box/findmain.vim
deleted file mode 100644
index 6d1a9928..00000000
--- a/ftplugin/latex-box/findmain.vim
+++ /dev/null
@@ -1,66 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" LatexBox_GetMainFileName: gets the name of the main file being compiled. {{{
-" Description:  returns the full path name of the main file.
-"               This function checks for the existence of a .latexmain file
-"               which might point to the location of a "main" latex file.
-"               If .latexmain exists, then return the full path name of the
-"               file being pointed to by it.
-"
-"               Otherwise, return the full path name of the current buffer.
-"
-"               You can supply an optional "modifier" argument to the
-"               function, which will optionally modify the file name before
-"               returning.
-"               NOTE: From version 1.6 onwards, this function always trims
-"               away the .latexmain part of the file name before applying the
-"               modifier argument.
-"               NOTE: This function is copied from the Latex-Suite project!
-function! LatexBox_GetMainFileName(...)
-	if a:0 > 0
-		let modifier = a:1
-	else
-		let modifier = ':p'
-	endif
-
-	let s:origdir = fnameescape(getcwd())
-
-	let dirmodifier = '%:p:h'
-	let dirLast = fnameescape(expand(dirmodifier))
-	exe 'cd '.dirLast
-
-	" move up the directory tree until we find a .latexmain file.
-	" TODO: Should we be doing this recursion by default, or should there be a
-	"       setting?
-	while glob('*.latexmain',1) == ''
-		let dirmodifier = dirmodifier.':h'
-		let dirNew = fnameescape(expand(dirmodifier))
-		" break from the loop if we cannot go up any further.
-		if dirNew == dirLast
-			break
-		endif
-		let dirLast = dirNew
-		exe 'cd '.dirLast
-	endwhile
-
-	let lheadfile = glob('*.latexmain',1)
-	if lheadfile != ''
-		" Remove the trailing .latexmain part of the filename... We never want
-		" that.
-		let lheadfile = fnamemodify(substitute(lheadfile, '\.latexmain$', '', ''), modifier)
-	else
-		" If we cannot find any main file, just modify the filename of the
-		" current buffer.
-		let lheadfile = expand('%'.modifier)
-	endif
-
-	exe 'cd '.s:origdir
-
-	" NOTE: The caller of this function needs to escape the file name with
-	"       fnameescape() . The reason its not done here is that escaping is not
-	"       safe if this file is to be used as part of an external command on
-	"       certain platforms.
-	return lheadfile
-endfunction
-
-endif
diff --git a/ftplugin/latex-box/folding.vim b/ftplugin/latex-box/folding.vim
deleted file mode 100644
index e24e036d..00000000
--- a/ftplugin/latex-box/folding.vim
+++ /dev/null
@@ -1,382 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" Folding support for LaTeX
-
-"
-" Options
-" g:LatexBox_Folding         - Turn on/off folding
-" g:LatexBox_fold_text       - Turn on/off LatexBox fold text function
-" g:LatexBox_fold_preamble   - Turn on/off folding of preamble
-" g:LatexBox_fold_parts      - Define parts (eq. appendix, frontmatter) to fold
-" g:LatexBox_fold_sections   - Define section levels to fold
-" g:LatexBox_fold_envs       - Turn on/off folding of environments
-" g:LatexBox_fold_toc        - Turn on/off folding of TOC
-" g:LatexBox_fold_toc_levels - Set max TOC fold level
-"
-" {{{1 Initialize options to default values.
-if !exists('g:LatexBox_Folding')
-	let g:LatexBox_Folding=0
-endif
-if !exists('g:LatexBox_fold_text')
-    let g:LatexBox_fold_text=1
-endif
-if !exists('g:LatexBox_fold_preamble')
-    let g:LatexBox_fold_preamble=1
-endif
-if !exists('g:LatexBox_fold_envs')
-    let g:LatexBox_fold_envs=1
-endif
-if !exists('g:LatexBox_fold_envs_force')
-    let g:LatexBox_fold_envs_force = []
-endif
-if !exists('g:LatexBox_fold_parts')
-    let g:LatexBox_fold_parts=[
-                \ "appendix",
-                \ "frontmatter",
-                \ "mainmatter",
-                \ "backmatter"
-                \ ]
-endif
-if !exists('g:LatexBox_fold_sections')
-    let g:LatexBox_fold_sections=[
-                \ "part",
-                \ "chapter",
-                \ "section",
-                \ "subsection",
-                \ "subsubsection"
-                \ ]
-endif
-if !exists('g:LatexBox_fold_toc')
-    let g:LatexBox_fold_toc=0
-endif
-if !exists('g:LatexBox_fold_toc_levels')
-    let g:LatexBox_fold_toc_levels=1
-endif
-if !exists('g:LatexBox_fold_automatic')
-	let g:LatexBox_fold_automatic=1
-endif
-" }}}1
-
-if g:LatexBox_Folding == 0
-    finish
-endif
-
-" {{{1 Set folding options for vim
-setl foldexpr=LatexBox_FoldLevel(v:lnum)
-if g:LatexBox_fold_text == 1
-    setl foldtext=LatexBox_FoldText()
-endif
-if g:LatexBox_fold_automatic == 1
-    setl foldmethod=expr
-
-	"
-	" The foldexpr function returns "=" for most lines, which means it can become
-	" slow for large files.  The following is a hack that is based on this reply to
-	" a discussion on the Vim Developer list:
-	" http://permalink.gmane.org/gmane.editors.vim.devel/14100
-	"
-	augroup FastFold
-		autocmd!
-		autocmd InsertEnter *.tex if !&diff | setlocal foldmethod=manual | endif
-		autocmd InsertLeave *.tex if !&diff | setlocal foldmethod=expr | endif
-	augroup end
-else
-	setl foldmethod=manual
-endif
-
-function! LatexBox_FoldOnDemand()
-	setl foldmethod=expr
-	normal! zx
-	setl foldmethod=manual
-endfunction
-
-command! LatexFold  call LatexBox_FoldOnDemand()
-
-" {{{1 LatexBox_FoldLevel help functions
-
-" This function parses the tex file to find the sections that are to be folded
-" and their levels, and then predefines the patterns for optimized folding.
-function! s:FoldSectionLevels()
-    " Initialize
-    let level = 1
-    let foldsections = []
-
-    " If we use two or more of the *matter commands, we need one more foldlevel
-    let nparts = 0
-    for part in g:LatexBox_fold_parts
-        let i = 1
-        while i < line("$")
-            if getline(i) =~ '^\s*\\' . part . '\>'
-                let nparts += 1
-                break
-            endif
-            let i += 1
-        endwhile
-        if nparts > 1
-            let level = 2
-            break
-        endif
-    endfor
-
-    " Combine sections and levels, but ignore unused section commands:  If we
-    " don't use the part command, then chapter should have the highest
-    " level.  If we don't use the chapter command, then section should be the
-    " highest level.  And so on.
-    let ignore = 1
-    for part in g:LatexBox_fold_sections
-        " For each part, check if it is used in the file.  We start adding the
-        " part patterns to the fold sections array whenever we find one.
-        let partpattern = '^\s*\(\\\|% Fake\)' . part . '\>'
-        if ignore
-            let i = 1
-            while i < line("$")
-                if getline(i) =~# partpattern
-                    call insert(foldsections, [partpattern, level])
-                    let level += 1
-                    let ignore = 0
-                    break
-                endif
-                let i += 1
-            endwhile
-        else
-            call insert(foldsections, [partpattern, level])
-            let level += 1
-        endif
-    endfor
-
-    return foldsections
-endfunction
-
-" {{{1 LatexBox_FoldLevel
-
-" Parse file to dynamically set the sectioning fold levels
-let b:LatexBox_FoldSections = s:FoldSectionLevels()
-
-" Optimize by predefine common patterns
-let s:notbslash = '\%(\\\@<!\%(\\\\\)*\)\@<='
-let s:notcomment = '\%(\%(\\\@<!\%(\\\\\)*\)\@<=%.*\)\@<!'
-let s:envbeginpattern = s:notcomment . s:notbslash . '\\begin\s*{.\{-}}'
-let s:envendpattern = s:notcomment . s:notbslash . '\\end\s*{.\{-}}'
-let s:foldparts = '^\s*\\\%(' . join(g:LatexBox_fold_parts, '\|') . '\)'
-let s:folded = '\(% Fake\|\\\(document\|begin\|end\|paragraph\|'
-            \ . 'front\|main\|back\|app\|sub\|section\|chapter\|part\)\)'
-
-function! LatexBox_FoldLevel(lnum)
-    " Check for normal lines first (optimization)
-    let line  = getline(a:lnum)
-    if line !~ s:folded
-        return "="
-    endif
-
-    " Fold preamble
-    if g:LatexBox_fold_preamble == 1
-        if line =~# s:notcomment . s:notbslash . '\s*\\documentclass'
-            return ">1"
-        elseif line =~# s:notcomment . s:notbslash . '\s*\\begin\s*{\s*document\s*}'
-            return "0"
-        endif
-    endif
-
-    " Fold parts (\frontmatter, \mainmatter, \backmatter, and \appendix)
-    if line =~# s:foldparts
-        return ">1"
-    endif
-
-    " Fold chapters and sections
-    for [part, level] in b:LatexBox_FoldSections
-        if line =~# part
-            return ">" . level
-        endif
-    endfor
-
-    " Never fold \end{document}
-    if line =~# '^\s*\\end{document}'
-        return 0
-    endif
-
-    " Fold environments
-    if line =~# s:envbeginpattern && line =~# s:envendpattern
-        " If the begin and end pattern are on the same line , do not fold
-        return "="
-    else
-        if line =~# s:envbeginpattern
-            if g:LatexBox_fold_envs == 1
-                return "a1"
-            else
-                let env = matchstr(line,'\\begin\*\?{\zs\w*\*\?\ze}')
-                if index(g:LatexBox_fold_envs_force, env) >= 0
-                    return "a1"
-                else
-                    return "="
-                endif
-            endif
-        elseif line =~# s:envendpattern
-            if g:LatexBox_fold_envs == 1
-                return "s1"
-            else
-                let env = matchstr(line,'\\end\*\?{\zs\w*\*\?\ze}')
-                if index(g:LatexBox_fold_envs_force, env) >= 0
-                    return "s1"
-                else
-                    return "="
-                endif
-            endif
-        endif
-    endif
-
-    " Return foldlevel of previous line
-    return "="
-endfunction
-
-" {{{1 LatexBox_FoldText help functions
-function! s:LabelEnv()
-    let i = v:foldend
-    while i >= v:foldstart
-        if getline(i) =~ '^\s*\\label'
-            return matchstr(getline(i), '^\s*\\label{\zs.*\ze}')
-        end
-        let i -= 1
-    endwhile
-    return ""
-endfunction
-
-function! s:CaptionEnv()
-    let i = v:foldend
-    while i >= v:foldstart
-        if getline(i) =~ '^\s*\\caption'
-            return matchstr(getline(i), '^\s*\\caption\(\[.*\]\)\?{\zs.\+')
-        end
-        let i -= 1
-    endwhile
-    return ""
-endfunction
-
-function! s:CaptionTable()
-    let i = v:foldstart
-    while i <= v:foldend
-        if getline(i) =~ '^\s*\\caption'
-            return matchstr(getline(i), '^\s*\\caption\(\[.*\]\)\?{\zs.\+')
-        end
-        let i += 1
-    endwhile
-    return ""
-endfunction
-
-function! s:CaptionFrame(line)
-    " Test simple variants first
-    let caption1 = matchstr(a:line,'\\begin\*\?{.*}{\zs.\+\ze}')
-    let caption2 = matchstr(a:line,'\\begin\*\?{.*}{\zs.\+')
-
-    if len(caption1) > 0
-        return caption1
-    elseif len(caption2) > 0
-        return caption2
-    else
-        let i = v:foldstart
-        while i <= v:foldend
-            if getline(i) =~ '^\s*\\frametitle'
-                return matchstr(getline(i),
-                            \ '^\s*\\frametitle\(\[.*\]\)\?{\zs.\+')
-            end
-            let i += 1
-        endwhile
-
-        return ""
-    endif
-endfunction
-
-function! LatexBox_FoldText_title()
-    let line = getline(v:foldstart)
-    let title = 'Not defined'
-
-    " Preamble
-    if line =~ '\s*\\documentclass'
-        return "Preamble"
-    endif
-
-    " Parts, sections and fakesections
-    let sections = '\(\(sub\)*\(section\|paragraph\)\|part\|chapter\)'
-    let secpat1 = '^\s*\\' . sections . '\*\?\s*{'
-    let secpat2 = '^\s*\\' . sections . '\*\?\s*\['
-    if line =~ '\\frontmatter'
-        let title = "Frontmatter"
-    elseif line =~ '\\mainmatter'
-        let title = "Mainmatter"
-    elseif line =~ '\\backmatter'
-        let title = "Backmatter"
-    elseif line =~ '\\appendix'
-        let title = "Appendix"
-    elseif line =~ secpat1 . '.*}'
-        let title =  matchstr(line, secpat1 . '\zs.\{-}\ze}')
-    elseif line =~ secpat1
-        let title =  matchstr(line, secpat1 . '\zs.*')
-    elseif line =~ secpat2 . '.*\]'
-        let title =  matchstr(line, secpat2 . '\zs.\{-}\ze\]')
-    elseif line =~ secpat2
-        let title =  matchstr(line, secpat2 . '\zs.*')
-    elseif line =~ 'Fake' . sections . ':'
-        let title =  matchstr(line,'Fake' . sections . ':\s*\zs.*')
-    elseif line =~ 'Fake' . sections
-        let title =  matchstr(line, 'Fake' . sections)
-    endif
-
-    " Environments
-    if line =~ '\\begin'
-        " Capture environment name
-        let env = matchstr(line,'\\begin\*\?{\zs\w*\*\?\ze}')
-
-        " Set caption based on type of environment
-        if env == 'frame'
-            let label = ''
-            let caption = s:CaptionFrame(line)
-        elseif env == 'table'
-            let label = s:LabelEnv()
-            let caption = s:CaptionTable()
-        else
-            let label = s:LabelEnv()
-            let caption = s:CaptionEnv()
-        endif
-
-        " If no caption found, check for a caption comment
-        if caption == ''
-            let caption = matchstr(line,'\\begin\*\?{.*}\s*%\s*\zs.*')
-        endif
-
-        " Create title based on caption and label
-        if caption . label == ''
-            let title = env
-        elseif label == ''
-            let title = printf('%-12s%s', env . ':',
-                        \ substitute(caption, '}\s*$', '',''))
-        elseif caption == ''
-            let title = printf('%-12s%56s', env, '(' . label . ')')
-        else
-            let title = printf('%-12s%-30s %21s', env . ':',
-                        \ strpart(substitute(caption, '}\s*$', '',''),0,34),
-                        \ '(' . label . ')')
-        endif
-    endif
-
-    return title
-endfunction
-
-" {{{1 LatexBox_FoldText
-function! LatexBox_FoldText()
-    let nlines = v:foldend - v:foldstart + 1
-    let title = strpart(LatexBox_FoldText_title(), 0, 68)
-    let level = ''
-
-    " Fold level
-    let level = strpart(repeat('-', v:foldlevel-1) . '*',0,3)
-    if v:foldlevel > 3
-        let level = strpart(level, 1) . v:foldlevel
-    endif
-    let level = printf('%-3s', level)
-
-    return printf('%-3s %-68s #%5d', level, title, nlines)
-endfunction
-
-" {{{1 Footer
-" vim:fdm=marker:ff=unix:ts=4:sw=4
-
-endif
diff --git a/ftplugin/latex-box/latexmk.vim b/ftplugin/latex-box/latexmk.vim
deleted file mode 100644
index ef9ef024..00000000
--- a/ftplugin/latex-box/latexmk.vim
+++ /dev/null
@@ -1,558 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" LaTeX Box latexmk functions
-
-" Options and variables {{{
-
-if !exists('g:LatexBox_latexmk_options')
-	let g:LatexBox_latexmk_options = ''
-endif
-if !exists('g:LatexBox_latexmk_env')
-	let g:LatexBox_latexmk_env = ''
-endif
-if !exists('g:LatexBox_latexmk_async')
-	let g:LatexBox_latexmk_async = 0
-endif
-if !exists('g:LatexBox_latexmk_preview_continuously')
-	let g:LatexBox_latexmk_preview_continuously = 0
-endif
-if !exists('g:LatexBox_output_type')
-	let g:LatexBox_output_type = 'pdf'
-endif
-if !exists('g:LatexBox_autojump')
-	let g:LatexBox_autojump = 0
-endif
-if ! exists('g:LatexBox_quickfix')
-	let g:LatexBox_quickfix = 1
-endif
-if ! exists('g:LatexBox_personal_latexmkrc')
-	let g:LatexBox_personal_latexmkrc = 0
-endif
-
-" }}}
-
-" Process ID management (used for asynchronous and continuous mode) {{{
-
-" A dictionary of latexmk PID's (basename: pid)
-if !exists('g:latexmk_running_pids')
-	let g:latexmk_running_pids = {}
-endif
-
-" Set PID {{{
-function! s:LatexmkSetPID(basename, pid)
-	let g:latexmk_running_pids[a:basename] = a:pid
-endfunction
-" }}}
-
-" kill_latexmk_process {{{
-function! s:kill_latexmk_process(pid)
-	if has('win32')
-		silent execute '!taskkill /PID ' . a:pid . ' /T /F'
-	else
-		if g:LatexBox_latexmk_async
-			" vim-server mode
-			let pids = []
-			let tmpfile = tempname()
-			silent execute '!ps x -o pgid,pid > ' . tmpfile
-			for line in readfile(tmpfile)
-				let new_pid = matchstr(line, '^\s*' . a:pid . '\s\+\zs\d\+\ze')
-				if !empty(new_pid)
-					call add(pids, new_pid)
-				endif
-			endfor
-			call delete(tmpfile)
-			if !empty(pids)
-				silent execute '!kill ' . join(pids)
-			endif
-		else
-			" single background process
-			silent execute '!kill ' . a:pid
-		endif
-	endif
-	if !has('gui_running')
-		redraw!
-	endif
-endfunction
-" }}}
-
-" kill_all_latexmk_processes {{{
-function! s:kill_all_latexmk_processes()
-	for pid in values(g:latexmk_running_pids)
-		call s:kill_latexmk_process(pid)
-	endfor
-endfunction
-" }}}
-
-" }}}
-
-" Setup for vim-server {{{
-function! s:SIDWrap(func)
-	if !exists('s:SID')
-		let s:SID = matchstr(expand('<sfile>'), '\zs<SNR>\d\+_\ze.*$')
-	endif
-	return s:SID . a:func
-endfunction
-
-function! s:LatexmkCallback(basename, status)
-	" Only remove the pid if not in continuous mode
-	if !g:LatexBox_latexmk_preview_continuously
-		call remove(g:latexmk_running_pids, a:basename)
-	endif
-	call LatexBox_LatexErrors(a:status, a:basename)
-endfunction
-
-function! s:setup_vim_server()
-	if !exists('g:vim_program')
-
-		" attempt autodetection of vim executable
-		let g:vim_program = ''
-		if has('win32')
-			" Just drop through to the default for windows
-		else
-			if match(&shell, '\(bash\|zsh\)$') >= 0
-				let ppid = '$PPID'
-			else
-				let ppid = '$$'
-			endif
-
-			let tmpfile = tempname()
-			silent execute '!ps -o command= -p ' . ppid . ' > ' . tmpfile
-			for line in readfile(tmpfile)
-				let line = matchstr(line, '^\S\+\>')
-				if !empty(line) && executable(line)
-					let g:vim_program = line . ' -g'
-					break
-				endif
-			endfor
-			call delete(tmpfile)
-		endif
-
-		if empty(g:vim_program)
-			if has('gui_macvim')
-				let g:vim_program
-						\ = '/Applications/MacVim.app/Contents/MacOS/Vim -g'
-			else
-				let g:vim_program = v:progname
-			endif
-		endif
-	endif
-endfunction
-" }}}
-
-" Latexmk {{{
-
-function! LatexBox_Latexmk(force)
-	" Define often used names
-	let basepath = LatexBox_GetBuildBasename(1)
-	let basename = fnamemodify(basepath, ':t')
-	let texroot = shellescape(LatexBox_GetTexRoot())
-	let mainfile = fnameescape(fnamemodify(LatexBox_GetMainTexFile(), ':t'))
-
-	" Check if latexmk is installed
-	if !executable('latexmk')
-		echomsg "Error: LaTeX-Box relies on latexmk for compilation, but it" .
-					\ " is not installed!"
-		return
-	endif
-
-	" Check if already running
-	if has_key(g:latexmk_running_pids, basepath)
-		echomsg "latexmk is already running for `" . basename . "'"
-		return
-	endif
-
-	" Set wrap width in log file
-	let max_print_line = 2000
-	if has('win32')
-		let env = 'set max_print_line=' . max_print_line . ' & '
-	elseif match(&shell, '/tcsh$') >= 0
-		let env = 'setenv max_print_line ' . max_print_line . '; '
-	else
-		if fnamemodify(&shell, ':t') ==# 'fish'
-			let env = 'set max_print_line ' . max_print_line . '; and '
-		else
-			let env = 'max_print_line=' . max_print_line
-		endif
-	endif
-
-	" Set environment options
-	let env .= ' ' . g:LatexBox_latexmk_env . ' '
-
-	" Set latexmk command with options
-	if has('win32')
-		" Make sure to switch drive as well as directory
-		let cmd = 'cd /D ' . texroot . ' && '
-	else
-		if fnamemodify(&shell, ':t') ==# 'fish'
-			let cmd = 'cd ' . texroot . '; and '
-		else
-			let cmd = 'cd ' . texroot . ' && '
-		endif
-	endif
-	let cmd .= env . ' latexmk'
-	if ! g:LatexBox_personal_latexmkrc
-		let cmd .= ' -' . g:LatexBox_output_type
-	endif
-	let cmd .= ' -quiet '
-	let cmd .= g:LatexBox_latexmk_options
-	if a:force
-		let cmd .= ' -g'
-	endif
-	if g:LatexBox_latexmk_preview_continuously
-		let cmd .= ' -pvc'
-	endif
-	let cmd .= ' -e ' . shellescape('$pdflatex =~ s/ / -file-line-error /')
-	let cmd .= ' -e ' . shellescape('$latex =~ s/ / -file-line-error /')
-	if g:LatexBox_latexmk_preview_continuously
-		let cmd .= ' -e ' . shellescape('$success_cmd = $ENV{SUCCESSCMD}')
-		let cmd .= ' -e ' . shellescape('$failure_cmd = $ENV{FAILURECMD}')
-	endif
-	let cmd .= ' ' . mainfile
-
-	" Redirect output to null
-	if has('win32')
-		let cmd .= ' >nul'
-	else
-		if fnamemodify(&shell, ':t') ==# 'fish'
-			let cmd .= ' >/dev/null ^/dev/null'
-		else
-			let cmd .= ' &>/dev/null'
-		endif
-	endif
-
-	if g:LatexBox_latexmk_async
-		" Check if VIM server exists
-		if empty(v:servername)
-			echoerr "cannot run latexmk in background without a VIM server"
-			echoerr "set g:LatexBox_latexmk_async to 0 to change compiling mode"
-			return
-		endif
-
-		" Start vim server if necessary
-		call s:setup_vim_server()
-
-		let setpidfunc = s:SIDWrap('LatexmkSetPID')
-		let callbackfunc = s:SIDWrap('LatexmkCallback')
-		if has('win32')
-			let vim_program = substitute(g:vim_program,
-						\ 'gvim\.exe$', 'vim.exe', '')
-
-			" Define callback to set the pid
-			let callsetpid = setpidfunc . '(''' . basepath . ''', %CMDPID%)'
-			let vimsetpid = vim_program . ' --servername ' . v:servername
-						\ . ' --remote-expr ' . shellescape(callsetpid)
-
-			" Define callback after latexmk is finished
-			let callback = callbackfunc . '(''' . basepath . ''', %LATEXERR%)'
-			let vimcmd = vim_program . ' --servername ' . v:servername
-						\ . ' --remote-expr ' . shellescape(callback)
-			let scallback = callbackfunc . '(''' . basepath . ''', 0)'
-			let svimcmd = vim_program . ' --servername ' . v:servername
-						\ . ' --remote-expr ' . shellescape(scallback)
-			let fcallback = callbackfunc . '(''' . basepath . ''', 1)'
-			let fvimcmd = vim_program . ' --servername ' . v:servername
-						\ . ' --remote-expr ' . shellescape(fcallback)
-
-			let asyncbat = tempname() . '.bat'
-			if g:LatexBox_latexmk_preview_continuously
-				call writefile(['setlocal',
-							\ 'set T=%TEMP%\sthUnique.tmp',
-							\ 'wmic process where (Name="WMIC.exe" AND CommandLine LIKE "%%%TIME%%%") '
-							\ . 'get ParentProcessId /value | find "ParentProcessId" >%T%',
-							\ 'set /P A=<%T%',
-							\ 'set CMDPID=%A:~16% & del %T%',
-							\ vimsetpid,
-							\ 'set SUCCESSCMD='.svimcmd,
-							\ 'set FAILURECMD='.fvimcmd,
-							\ cmd,
-							\ 'endlocal'], asyncbat)
-			else
-				call writefile(['setlocal',
-							\ 'set T=%TEMP%\sthUnique.tmp',
-							\ 'wmic process where (Name="WMIC.exe" AND CommandLine LIKE "%%%TIME%%%") '
-							\ . 'get ParentProcessId /value | find "ParentProcessId" >%T%',
-							\ 'set /P A=<%T%',
-							\ 'set CMDPID=%A:~16% & del %T%',
-							\ vimsetpid,
-							\ cmd,
-							\ 'set LATEXERR=%ERRORLEVEL%',
-							\ vimcmd,
-							\ 'endlocal'], asyncbat)
-			endif
-
-			" Define command
-			let cmd = '!start /b ' . asyncbat . ' & del ' . asyncbat
-		else
-			" Define callback to set the pid
-			let callsetpid = shellescape(setpidfunc).'"(\"'.basepath.'\",$$)"'
-			let vimsetpid = g:vim_program . ' --servername ' . v:servername
-			                        \ . ' --remote-expr ' . callsetpid
-
-			" Define callback after latexmk is finished
-			let callback = shellescape(callbackfunc).'"(\"'.basepath.'\",$?)"'
-			let vimcmd = g:vim_program . ' --servername ' . v:servername
-									\ . ' --remote-expr ' . callback
-			let scallback = shellescape(callbackfunc).'"(\"'.basepath.'\",0)"'
-			let svimcmd = g:vim_program . ' --servername ' . v:servername
-			                        \ . ' --remote-expr ' . scallback
-			let fcallback = shellescape(callbackfunc).'"(\"'.basepath.'\",1)"'
-			let fvimcmd = g:vim_program . ' --servername ' . v:servername
-			                        \ . ' --remote-expr ' . fcallback
-
-			" Define command
-			" Note: Here we escape '%' because it may be given as a user option
-			" through g:LatexBox_latexmk_options, for instance with
-			" g:Latex..._options = "-pdflatex='pdflatex -synctex=1 \%O \%S'"
-			if g:LatexBox_latexmk_preview_continuously
-				let cmd = vimsetpid . ' ; '
-						\ . 'export SUCCESSCMD=' . shellescape(svimcmd) . ' '
-						\ . '       FAILURECMD=' . shellescape(fvimcmd) . ' ; '
-						\ . escape(cmd, '%')
-			else
-				let cmd = vimsetpid . ' ; ' . escape(cmd, '%') . ' ; ' . vimcmd
-			endif
-			let cmd = '! (' . cmd . ') >/dev/null &'
-		endif
-
-		if g:LatexBox_latexmk_preview_continuously
-			echo 'Compiling to ' . g:LatexBox_output_type
-						\ . ' with continuous preview.'
-		else
-			echo 'Compiling to ' . g:LatexBox_output_type . ' ...'
-		endif
-		silent execute cmd
-	else
-		if g:LatexBox_latexmk_preview_continuously
-			if has('win32')
-				let cmd = '!start /b cmd /s /c "' . cmd . '"'
-			else
-				let cmd = '!' . cmd . ' &'
-			endif
-			echo 'Compiling to ' . g:LatexBox_output_type . ' ...'
-			silent execute cmd
-
-			" Save PID in order to be able to kill the process when wanted.
-			if has('win32')
-				let tmpfile = tempname()
-				let pidcmd = 'cmd /c "wmic process where '
-							\ . '(CommandLine LIKE "latexmk\%'.mainfile.'\%") '
-							\ . 'get ProcessId /value | find "ProcessId" '
-							\ . '>'.tmpfile.' "'
-				silent execute '! ' . pidcmd
-				let pids = readfile(tmpfile)
-				let pid = strpart(pids[0], 10)
-				let g:latexmk_running_pids[basepath] = pid
-			else
-				let pid = substitute(system('pgrep -f "perl.*'
-							\ . mainfile . '" | head -n 1'),'\D','','')
-				let g:latexmk_running_pids[basepath] = pid
-			endif
-		else
-			" Execute command and check for errors
-			echo 'Compiling to ' . g:LatexBox_output_type . ' ... (async off!)'
-			call system(cmd)
-			call LatexBox_LatexErrors(v:shell_error)
-		endif
-	endif
-
-	" Redraw screen if necessary
-	if !has("gui_running")
-		redraw!
-	endif
-endfunction
-" }}}
-
-" LatexmkClean {{{
-function! LatexBox_LatexmkClean(cleanall)
-	" Check if latexmk is installed
-	if !executable('latexmk')
-		echomsg "Error: LaTeX-Box relies on latexmk for compilation, but it" .
-					\ " is not installed!"
-		return
-	endif
-
-	let basename = LatexBox_GetBuildBasename(1)
-
-	if has_key(g:latexmk_running_pids, basename)
-		echomsg "don't clean when latexmk is running"
-		return
-	endif
-
-	if has('win32')
-		let cmd = 'cd /D ' . shellescape(LatexBox_GetTexRoot()) . ' & '
-	else
-		let cmd = 'cd ' . shellescape(LatexBox_GetTexRoot()) . ';'
-	endif
-	if a:cleanall
-		let cmd .= 'latexmk -C '
-	else
-		let cmd .= 'latexmk -c '
-	endif
-	let cmd .= shellescape(LatexBox_GetMainTexFile())
-	if has('win32')
-		let cmd .= ' >nul'
-	else
-		let cmd .= ' >&/dev/null'
-	endif
-
-	call system(cmd)
-	if !has('gui_running')
-		redraw!
-	endif
-
-	echomsg "latexmk clean finished"
-endfunction
-" }}}
-
-" LatexErrors {{{
-function! LatexBox_LatexErrors(status, ...)
-	if a:0 >= 1
-		let log = a:1 . '.log'
-	else
-		let log = LatexBox_GetLogFile()
-	endif
-
-	cclose
-
-	" set cwd to expand error file correctly
-	let l:cwd = fnamemodify(getcwd(), ':p')
-	execute 'lcd ' . fnameescape(LatexBox_GetTexRoot())
-	try
-		if g:LatexBox_autojump
-			execute 'cfile ' . fnameescape(log)
-		else
-			execute 'cgetfile ' . fnameescape(log)
-		endif
-	finally
-		" restore cwd
-		execute 'lcd ' . fnameescape(l:cwd)
-	endtry
-
-	" Always open window if started by LatexErrors command
-	if a:status < 0
-		botright copen
-	else
-		" Only open window when an error/warning is detected
-		if g:LatexBox_quickfix >= 3
-					\ ? s:log_contains_error(log)
-					\ : g:LatexBox_quickfix > 0
-			belowright cw
-			if g:LatexBox_quickfix == 2 || g:LatexBox_quickfix == 4
-				wincmd p
-			endif
-		endif
-		redraw
-
-		" Write status message to screen
-		if a:status > 0 || len(getqflist())>1
-			if s:log_contains_error(log)
-				let l:status_msg = ' ... failed!'
-			else
-				let l:status_msg = ' ... there were warnings!'
-			endif
-		else
-			let l:status_msg = ' ... success!'
-		endif
-		echomsg 'Compiling to ' . g:LatexBox_output_type . l:status_msg
-	endif
-endfunction
-
-" Redefine uniq() for compatibility with older Vim versions (< 7.4.218)
-function! s:uniq(list)
-        if exists('*uniq')
-                return uniq(a:list)
-        elseif len(a:list) <= 1
-                return a:list
-        endif
-
-        let last_element = get(a:list,0)
-        let uniq_list = [last_element]
-
-        for i in range(1, len(a:list)-1)
-                let next_element = get(a:list, i)
-                if last_element == next_element
-                        continue
-                endif
-                let last_element = next_element
-                call add(uniq_list, next_element)
-        endfor
-        return uniq_list
-endfunction
-
-function! s:log_contains_error(file)
-	let lines = readfile(a:file)
-	let lines = filter(lines, 'v:val =~ ''^.*:\d\+: ''')
-	let lines = s:uniq(map(lines, 'matchstr(v:val, ''^.*\ze:\d\+:'')'))
-	let lines = filter(lines, 'filereadable(fnameescape(v:val))')
-	return len(lines) > 0
-endfunction
-" }}}
-
-" LatexmkStatus {{{
-function! LatexBox_LatexmkStatus(detailed)
-	if a:detailed
-		if empty(g:latexmk_running_pids)
-			echo "latexmk is not running"
-		else
-			let plist = ""
-			for [basename, pid] in items(g:latexmk_running_pids)
-				if !empty(plist)
-					let plist .= '; '
-				endif
-				let plist .= fnamemodify(basename, ':t') . ':' . pid
-			endfor
-			echo "latexmk is running (" . plist . ")"
-		endif
-	else
-		let basename = LatexBox_GetBuildBasename(1)
-		if has_key(g:latexmk_running_pids, basename)
-			echo "latexmk is running"
-		else
-			echo "latexmk is not running"
-		endif
-	endif
-endfunction
-" }}}
-
-" LatexmkStop {{{
-function! LatexBox_LatexmkStop(silent)
-	if empty(g:latexmk_running_pids)
-		if !a:silent
-			let basepath = LatexBox_GetBuildBasename(1)
-			let basename = fnamemodify(basepath, ':t')
-			echoerr "latexmk is not running for `" . basename . "'"
-		endif
-	else
-		let basepath = LatexBox_GetBuildBasename(1)
-		let basename = fnamemodify(basepath, ':t')
-		if has_key(g:latexmk_running_pids, basepath)
-			call s:kill_latexmk_process(g:latexmk_running_pids[basepath])
-			call remove(g:latexmk_running_pids, basepath)
-			if !a:silent
-				echomsg "latexmk stopped for `" . basename . "'"
-			endif
-		elseif !a:silent
-			echoerr "latexmk is not running for `" . basename . "'"
-		endif
-	endif
-endfunction
-" }}}
-
-" Commands {{{
-
-command! -bang	Latexmk			call LatexBox_Latexmk(<q-bang> == "!")
-command! -bang	LatexmkClean	call LatexBox_LatexmkClean(<q-bang> == "!")
-command! -bang	LatexmkStatus	call LatexBox_LatexmkStatus(<q-bang> == "!")
-command! LatexmkStop			call LatexBox_LatexmkStop(0)
-command! LatexErrors			call LatexBox_LatexErrors(-1)
-
-if g:LatexBox_latexmk_async || g:LatexBox_latexmk_preview_continuously
-	autocmd BufUnload <buffer> 	call LatexBox_LatexmkStop(1)
-	autocmd VimLeave * 			call <SID>kill_all_latexmk_processes()
-endif
-
-" }}}
-
-" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
-
-endif
diff --git a/ftplugin/latex-box/mappings.vim b/ftplugin/latex-box/mappings.vim
deleted file mode 100644
index b64a88df..00000000
--- a/ftplugin/latex-box/mappings.vim
+++ /dev/null
@@ -1,110 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" LaTeX Box mappings
-
-if exists("g:LatexBox_no_mappings")
-	finish
-endif
-
-" latexmk {{{
-noremap <buffer> <LocalLeader>ll :Latexmk<CR>
-noremap <buffer> <LocalLeader>lL :Latexmk!<CR>
-noremap <buffer> <LocalLeader>lc :LatexmkClean<CR>
-noremap <buffer> <LocalLeader>lC :LatexmkClean!<CR>
-noremap <buffer> <LocalLeader>lg :LatexmkStatus<CR>
-noremap <buffer> <LocalLeader>lG :LatexmkStatus!<CR>
-noremap <buffer> <LocalLeader>lk :LatexmkStop<CR>
-noremap <buffer> <LocalLeader>le :LatexErrors<CR>
-" }}}
-
-" View {{{
-noremap <buffer> <LocalLeader>lv :LatexView<CR>
-" }}}
-
-" TOC {{{
-noremap <silent> <buffer> <LocalLeader>lt :LatexTOC<CR>
-" }}}
-
-" List of labels {{{
-noremap <silent> <buffer> <LocalLeader>lj :LatexLabels<CR>
-" }}}
-
-" Folding {{{
-if g:LatexBox_Folding == 1
-	noremap <buffer> <LocalLeader>lf :LatexFold<CR>
-endif
-" }}}
-
-" Jump to match {{{
-if !exists('g:LatexBox_loaded_matchparen')
-	nmap <buffer> % <Plug>LatexBox_JumpToMatch
-	vmap <buffer> % <Plug>LatexBox_JumpToMatch
-	omap <buffer> % <Plug>LatexBox_JumpToMatch
-endif
-" }}}
-
-" Define text objects {{{
-vmap <buffer> ie <Plug>LatexBox_SelectCurrentEnvInner
-vmap <buffer> ae <Plug>LatexBox_SelectCurrentEnvOuter
-onoremap <buffer> ie :normal vie<CR>
-onoremap <buffer> ae :normal vae<CR>
-vmap <buffer> i$ <Plug>LatexBox_SelectInlineMathInner
-vmap <buffer> a$ <Plug>LatexBox_SelectInlineMathOuter
-onoremap <buffer> i$ :normal vi$<CR>
-onoremap <buffer> a$ :normal va$<CR>
-" }}}
-
-" Jump between sections {{{
-function! s:LatexBoxNextSection(type, backwards, visual)
-	" Restore visual mode if desired
-	if a:visual
-		normal! gv
-	endif
-
-	" For the [] and ][ commands we move up or down before the search
-	if a:type == 1
-		if a:backwards
-			normal! k
-		else
-			normal! j
-		endif
-	endif
-
-	" Define search pattern and do the search while preserving "/
-	let save_search = @/
-	let flags = 'W'
-	if a:backwards
-		let flags = 'b' . flags
-	endif
-	let notcomment = '\%(\%(\\\@<!\%(\\\\\)*\)\@<=%.*\)\@<!'
-	let pattern = notcomment . '\v\s*\\(' . join([
-				\ '(sub)*section',
-				\ 'chapter',
-				\ 'part',
-				\ 'appendix',
-				\ '(front|back|main)matter'], '|') . ')>'
-	call search(pattern, flags)
-	let @/ = save_search
-
-	" For the [] and ][ commands we move down or up after the search
-	if a:type == 1
-		if a:backwards
-			normal! j
-		else
-			normal! k
-		endif
-	endif
-endfunction
-noremap  <buffer> <silent> ]] :call <SID>LatexBoxNextSection(0,0,0)<CR>
-noremap  <buffer> <silent> ][ :call <SID>LatexBoxNextSection(1,0,0)<CR>
-noremap  <buffer> <silent> [] :call <SID>LatexBoxNextSection(1,1,0)<CR>
-noremap  <buffer> <silent> [[ :call <SID>LatexBoxNextSection(0,1,0)<CR>
-vnoremap <buffer> <silent> ]] :<c-u>call <SID>LatexBoxNextSection(0,0,1)<CR>
-vnoremap <buffer> <silent> ][ :<c-u>call <SID>LatexBoxNextSection(1,0,1)<CR>
-vnoremap <buffer> <silent> [] :<c-u>call <SID>LatexBoxNextSection(1,1,1)<CR>
-vnoremap <buffer> <silent> [[ :<c-u>call <SID>LatexBoxNextSection(0,1,1)<CR>
-" }}}
-
-" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
-
-endif
diff --git a/ftplugin/latex-box/motion.vim b/ftplugin/latex-box/motion.vim
deleted file mode 100644
index 7982d04b..00000000
--- a/ftplugin/latex-box/motion.vim
+++ /dev/null
@@ -1,548 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" LaTeX Box motion functions
-
-" Motion options {{{
-" Opening and closing patterns
-if !exists('g:LatexBox_open_pats')
-	let g:LatexBox_open_pats  = [ '\\{','{','\\(','(','\\\[','\[',
-				\ '\\begin\s*{.\{-}}', '\\left\s*\%([^\\]\|\\.\|\\\a*\)']
-	let g:LatexBox_close_pats = [ '\\}','}','\\)',')','\\\]','\]',
-				\ '\\end\s*{.\{-}}',   '\\right\s*\%([^\\]\|\\.\|\\\a*\)']
-endif
-" }}}
-
-" HasSyntax {{{
-" s:HasSyntax(syntaxName, [line], [col])
-function! s:HasSyntax(syntaxName, ...)
-	let line = a:0 >= 1 ? a:1 : line('.')
-	let col  = a:0 >= 2 ? a:2 : col('.')
-	return index(map(synstack(line, col),
-				\ 'synIDattr(v:val, "name") == "' . a:syntaxName . '"'),
-				\ 1) >= 0
-endfunction
-" }}}
-
-" Search and Skip Comments {{{
-" s:SearchAndSkipComments(pattern, [flags], [stopline])
-function! s:SearchAndSkipComments(pat, ...)
-	let flags		= a:0 >= 1 ? a:1 : ''
-	let stopline	= a:0 >= 2 ? a:2 : 0
-	let saved_pos = getpos('.')
-
-	" search once
-	let ret = search(a:pat, flags, stopline)
-
-	if ret
-		" do not match at current position if inside comment
-		let flags = substitute(flags, 'c', '', 'g')
-
-		" keep searching while in comment
-		while LatexBox_InComment()
-			let ret = search(a:pat, flags, stopline)
-			if !ret
-				break
-			endif
-		endwhile
-	endif
-
-	if !ret
-		" if no match found, restore position
-		call setpos('.', saved_pos)
-	endif
-
-	return ret
-endfunction
-" }}}
-
-" Finding Matching Pair {{{
-function! s:FindMatchingPair(mode)
-
-	if a:mode =~ 'h\|i'
-		2match none
-	elseif a:mode == 'v'
-		normal! gv
-	endif
-
-	if LatexBox_InComment() | return | endif
-
-	" open/close pairs (dollars signs are treated apart)
-	let dollar_pat = '\$'
-	let notbslash = '\%(\\\@<!\%(\\\\\)*\)\@<='
-	let notcomment = '\%(\%(\\\@<!\%(\\\\\)*\)\@<=%.*\)\@<!'
-	let anymatch =  '\('
-				\ . join(g:LatexBox_open_pats + g:LatexBox_close_pats, '\|')
-				\ . '\|' . dollar_pat . '\)'
-
-	let lnum = line('.')
-	let cnum = searchpos('\A', 'cbnW', lnum)[1]
-	" if the previous char is a backslash
-	if strpart(getline(lnum), cnum-2, 1) == '\'
-		let cnum = cnum-1
-	endif
-	let delim = matchstr(getline(lnum), '\C^'. anymatch , cnum - 1)
-
-	if empty(delim) || strlen(delim)+cnum-1< col('.')
-		if a:mode =~ 'n\|v\|o'
-			" if not found, search forward
-			let cnum = match(getline(lnum), '\C'. anymatch , col('.') - 1) + 1
-			if cnum == 0 | return | endif
-			call cursor(lnum, cnum)
-			let delim = matchstr(getline(lnum), '\C^'. anymatch , cnum - 1)
-		elseif a:mode =~ 'i'
-			" if not found, move one char bacward and search
-			let cnum = searchpos('\A', 'bnW', lnum)[1]
-			" if the previous char is a backslash
-			if strpart(getline(lnum), cnum-2, 1) == '\'
-				let cnum = cnum-1
-			endif
-			let delim = matchstr(getline(lnum), '\C^'. anymatch , cnum - 1)
-			if empty(delim) || strlen(delim)+cnum< col('.') | return | endif
-		elseif a:mode =~ 'h'
-			return
-		endif
-	endif
-
-	if delim =~ '^\$'
-
-		" match $-pairs
-		" check if next character is in inline math
-		let [lnum0, cnum0] = searchpos('.', 'nW')
-		if lnum0 && s:HasSyntax('texMathZoneX', lnum0, cnum0)
-			let [lnum2, cnum2] = searchpos(notcomment . notbslash. dollar_pat, 'nW', line('w$')*(a:mode =~ 'h\|i') , 200)
-		else
-			let [lnum2, cnum2] = searchpos('\%(\%'. lnum . 'l\%' . cnum . 'c\)\@!'. notcomment . notbslash . dollar_pat, 'bnW', line('w0')*(a:mode =~ 'h\|i') , 200)
-		endif
-
-		if a:mode =~ 'h\|i'
-			execute '2match MatchParen /\%(\%' . lnum . 'l\%' . cnum . 'c\$' . '\|\%' . lnum2 . 'l\%' . cnum2 . 'c\$\)/'
-		elseif a:mode =~ 'n\|v\|o'
-			call cursor(lnum2,cnum2)
-		endif
-
-	else
-		" match other pairs
-		for i in range(len(g:LatexBox_open_pats))
-			let open_pat = notbslash . g:LatexBox_open_pats[i]
-			let close_pat = notbslash . g:LatexBox_close_pats[i]
-
-			if delim =~# '^' . open_pat
-				" if on opening pattern, search for closing pattern
-				let [lnum2, cnum2] = searchpairpos('\C' . open_pat, '', '\C'
-							\ . close_pat, 'nW', 'LatexBox_InComment()',
-							\ line('w$')*(a:mode =~ 'h\|i') , 200)
-				if a:mode =~ 'h\|i'
-					execute '2match MatchParen /\%(\%' . lnum . 'l\%' . cnum
-								\ . 'c' . g:LatexBox_open_pats[i] . '\|\%'
-								\ . lnum2 . 'l\%' . cnum2 . 'c'
-								\ . g:LatexBox_close_pats[i] . '\)/'
-				elseif a:mode =~ 'n\|v\|o'
-					call cursor(lnum2,cnum2)
-					if strlen(close_pat)>1 && a:mode =~ 'o'
-						call cursor(lnum2, matchend(getline('.'), '\C'
-									\ . close_pat, col('.')-1))
-					endif
-				endif
-				break
-			elseif delim =~# '^' . close_pat
-				" if on closing pattern, search for opening pattern
-				let [lnum2, cnum2] =  searchpairpos('\C' . open_pat, '',
-							\ '\C\%(\%'. lnum . 'l\%' . cnum . 'c\)\@!'
-							\ . close_pat, 'bnW', 'LatexBox_InComment()',
-							\ line('w0')*(a:mode =~ 'h\|i') , 200)
-				if a:mode =~ 'h\|i'
-					execute '2match MatchParen /\%(\%' . lnum2 . 'l\%' . cnum2
-								\ . 'c' . g:LatexBox_open_pats[i] . '\|\%'
-								\ . lnum . 'l\%' . cnum . 'c'
-								\ . g:LatexBox_close_pats[i] . '\)/'
-				elseif a:mode =~ 'n\|v\|o'
-					call cursor(lnum2,cnum2)
-				endif
-				break
-			endif
-		endfor
-
-	endif
-endfunction
-
-" Allow to disable functionality if desired
-if !exists('g:LatexBox_loaded_matchparen')
-	" Disable matchparen autocommands
-	augroup LatexBox_HighlightPairs
-		autocmd BufEnter * if !exists("g:loaded_matchparen") || !g:loaded_matchparen | runtime plugin/matchparen.vim | endif
-		autocmd BufEnter *.tex 3match none | unlet! g:loaded_matchparen | au! matchparen
-		autocmd! CursorMoved *.tex call s:FindMatchingPair('h')
-		autocmd! CursorMovedI *.tex call s:FindMatchingPair('i')
-	augroup END
-endif
-
-" Use LatexBox'es FindMatchingPair as '%' (enable jump between e.g. $'s)
-nnoremap <silent> <Plug>LatexBox_JumpToMatch	:call <SID>FindMatchingPair('n')<CR>
-vnoremap <silent> <Plug>LatexBox_JumpToMatch	:call <SID>FindMatchingPair('v')<CR>
-onoremap <silent> <Plug>LatexBox_JumpToMatch	v:call <SID>FindMatchingPair('o')<CR>
-
-" }}}
-
-" select inline math {{{
-" s:SelectInlineMath(seltype)
-" where seltype is either 'inner' or 'outer'
-function! s:SelectInlineMath(seltype)
-
-	let dollar_pat = '\\\@<!\$'
-
-	if s:HasSyntax('texMathZoneX')
-		call s:SearchAndSkipComments(dollar_pat, 'cbW')
-	elseif getline('.')[col('.') - 1] == '$'
-		call s:SearchAndSkipComments(dollar_pat, 'bW')
-	else
-		return
-	endif
-
-	if a:seltype == 'inner'
-		normal! l
-	endif
-
-	if visualmode() ==# 'V'
-		normal! V
-	else
-		normal! v
-	endif
-
-	call s:SearchAndSkipComments(dollar_pat, 'W')
-
-	if a:seltype == 'inner'
-		normal! h
-	endif
-endfunction
-
-vnoremap <silent> <Plug>LatexBox_SelectInlineMathInner
-			\ :<C-U>call <SID>SelectInlineMath('inner')<CR>
-vnoremap <silent> <Plug>LatexBox_SelectInlineMathOuter
-			\ :<C-U>call <SID>SelectInlineMath('outer')<CR>
-" }}}
-
-" select current environment {{{
-function! s:SelectCurrentEnv(seltype)
-	let [env, lnum, cnum, lnum2, cnum2] = LatexBox_GetCurrentEnvironment(1)
-	call cursor(lnum, cnum)
-	if a:seltype == 'inner'
-		if env =~ '^\'
-			call search('\\.\_\s*\S', 'eW')
-		else
-			call search('}\(\_\s*\[\_[^]]*\]\)\?\_\s*\S', 'eW')
-		endif
-	endif
-	if visualmode() ==# 'V'
-		normal! V
-	else
-		normal! v
-	endif
-	call cursor(lnum2, cnum2)
-	if a:seltype == 'inner'
-		call search('\S\_\s*', 'bW')
-	else
-		if env =~ '^\'
-			normal! l
-		else
-			call search('}', 'eW')
-		endif
-	endif
-endfunction
-vnoremap <silent> <Plug>LatexBox_SelectCurrentEnvInner :<C-U>call <SID>SelectCurrentEnv('inner')<CR>
-vnoremap <silent> <Plug>LatexBox_SelectCurrentEnvOuter :<C-U>call <SID>SelectCurrentEnv('outer')<CR>
-" }}}
-
-" Jump to the next braces {{{
-"
-function! LatexBox_JumpToNextBraces(backward)
-	let flags = ''
-	if a:backward
-		normal h
-		let flags .= 'b'
-	else
-		let flags .= 'c'
-	endif
-	if search('[][}{]', flags) > 0
-		normal l
-	endif
-	let prev = strpart(getline('.'), col('.') - 2, 1)
-	let next = strpart(getline('.'), col('.') - 1, 1)
-	if next =~ '[]}]' && prev !~ '[][{}]'
-		return "\<Right>"
-	else
-		return ''
-	endif
-endfunction
-" }}}
-
-" Table of Contents {{{
-
-" Special UTF-8 conversion
-function! s:ConvertBack(line)
-	let line = a:line
-	if exists('g:LatexBox_plaintext_toc')
-		"
-		" Substitute stuff like '\IeC{\"u}' to plain 'u'
-		"
-		let line = substitute(line, '\\IeC\s*{\\.\(.\)}', '\1', 'g')
-	else
-		"
-		" Substitute stuff like '\IeC{\"u}' to corresponding unicode symbols
-		"
-		for [pat, symbol] in s:ConvBackPats
-			let line = substitute(line, pat, symbol, 'g')
-		endfor
-	endif
-	return line
-endfunction
-
-function! s:ReadTOC(auxfile, texfile, ...)
-	let texfile = a:texfile
-	let prefix = fnamemodify(a:auxfile, ':p:h')
-
-	if a:0 != 2
-		let toc = []
-		let fileindices = { texfile : [] }
-	else
-		let toc = a:1
-		let fileindices = a:2
-		let fileindices[ texfile ] = []
-	endif
-
-	for line in readfile(a:auxfile)
-		let included = matchstr(line, '^\\@input{\zs[^}]*\ze}')
-		if included != ''
-			" append the input TOX to `toc` and `fileindices`
-			let newaux = prefix . '/' . included
-			let newtex = fnamemodify(newaux, ':r') . '.tex'
-			call s:ReadTOC(newaux, newtex, toc, fileindices)
-			continue
-		endif
-
-		" Parse statements like:
-		" \@writefile{toc}{\contentsline {section}{\numberline {secnum}Section Title}{pagenumber}}
-		" \@writefile{toc}{\contentsline {section}{\tocsection {}{1}{Section Title}}{pagenumber}}
-		" \@writefile{toc}{\contentsline {section}{\numberline {secnum}Section Title}{pagenumber}{otherstuff}}
-
-		let line = matchstr(line,
-					\ '\\@writefile{toc}{\\contentsline\s*\zs.*\ze}\s*$')
-		if empty(line)
-			continue
-		endif
-
-		let tree = LatexBox_TexToTree(s:ConvertBack(line))
-
-		if len(tree) < 3
-			" unknown entry type: just skip it
-			continue
-		endif
-
-		" parse level
-		let level = tree[0][0]
-		" parse page
-		if !empty(tree[2])
-			let page = tree[2][0]
-		else
-			let page = ''
-		endif
-		" parse section number
-		let secnum = ''
-		let tree = tree[1]
-		if len(tree) > 3 && empty(tree[1])
-			call remove(tree, 1)
-		endif
-		if len(tree) > 1 && type(tree[0]) == type("") && tree[0] =~ '^\\\(\(chapter\)\?numberline\|tocsection\)'
-			let secnum = LatexBox_TreeToTex(tree[1])
-			let secnum = substitute(secnum, '\\\S\+\s', '', 'g')
-			let secnum = substitute(secnum, '\\\S\+{\(.\{-}\)}', '\1', 'g')
-			let secnum = substitute(secnum, '^{\+\|}\+$', '', 'g')
-			call remove(tree, 1)
-		endif
-		" parse section title
-		let text = LatexBox_TreeToTex(tree)
-		let text = substitute(text, '^{\+\|}\+$',                 '', 'g')
-		let text = substitute(text, '\m^\\\(no\)\?\(chapter\)\?numberline\s*', '', '')
-		let text = substitute(text, '\*',                         '', 'g')
-
-		" add TOC entry
-		call add(fileindices[texfile], len(toc))
-		call add(toc, {'file': texfile,
-					\ 'level': level,
-					\ 'number': secnum,
-					\ 'text': text,
-					\ 'page': page})
-	endfor
-
-	return [toc, fileindices]
-
-endfunction
-
-function! LatexBox_TOC(...)
-
-	" Check if window already exists
-	let winnr = bufwinnr(bufnr('LaTeX TOC'))
-	" Two types of splits, horizontal and vertical
-	let l:hori = "new"
-	let l:vert = "vnew"
-
-	" Set General Vars and initialize size
-	let l:type = g:LatexBox_split_type
-	let l:size = 10
-
-	" Size detection
-	if l:type == l:hori
-	  let l:size = g:LatexBox_split_length
-	elseif l:type == l:vert
-	  let l:size = g:LatexBox_split_width
-	endif
-
-	if winnr >= 0
-		if a:0 == 0
-			silent execute winnr . 'wincmd w'
-		else
-			" Supplying an argument to this function causes toggling instead
-			" of jumping to the TOC window
-			if g:LatexBox_split_resize
-				silent exe "set columns-=" . l:size
-			endif
-			silent execute 'bwipeout' . bufnr('LaTeX TOC')
-		endif
-		return
-	endif
-	" Read TOC
-	let [toc, fileindices] = s:ReadTOC(LatexBox_GetAuxFile(),
-									 \ LatexBox_GetMainTexFile())
-	let calling_buf = bufnr('%')
-
-	" Find closest section in current buffer
-	let closest_index = s:FindClosestSection(toc,fileindices)
-
-	" Create TOC window and set local settings
-	if g:LatexBox_split_resize
-		silent exe "set columns+=" . l:size
-	endif
-	silent exe g:LatexBox_split_side l:size . l:type . ' LaTeX\ TOC'
-
-	let b:toc = toc
-	let b:toc_numbers = 1
-	let b:calling_win = bufwinnr(calling_buf)
-	setlocal filetype=latextoc
-
-	" Add TOC entries and jump to the closest section
-	for entry in toc
-		call append('$', entry['number'] . "\t" . entry['text'])
-	endfor
-	if !g:LatexBox_toc_hidehelp
-		call append('$', "")
-		call append('$', "<Esc>/q: close")
-		call append('$', "<Space>: jump")
-		call append('$', "<Enter>: jump and close")
-		call append('$', "s:       hide numbering")
-	endif
-	0delete _
-
-	execute 'normal! ' . (closest_index + 1) . 'G'
-
-	" Lock buffer
-	setlocal nomodifiable
-endfunction
-
-" Binary search for the closest section
-" return the index of the TOC entry
-function! s:FindClosestSection(toc, fileindices)
-	let file = expand('%:p')
-	if !has_key(a:fileindices, file)
-		return 0
-	endif
-
-	let imax = len(a:fileindices[file])
-	if imax > 0
-		let imin = 0
-		while imin < imax - 1
-			let i = (imax + imin) / 2
-			let tocindex = a:fileindices[file][i]
-			let entry = a:toc[tocindex]
-			let titlestr = entry['text']
-			let titlestr = escape(titlestr, '\')
-			let titlestr = substitute(titlestr, ' ', '\\_\\s\\+', 'g')
-			let [lnum, cnum] = searchpos('\\' . entry['level'] . '\_\s*{' . titlestr . '}', 'nW')
-			if lnum
-				let imax = i
-			else
-				let imin = i
-			endif
-		endwhile
-		return a:fileindices[file][imin]
-	else
-		return 0
-	endif
-endfunction
-
-let s:ConvBackPats = map([
-			\ ['\\''A}'        , 'Á'],
-			\ ['\\`A}'         , 'À'],
-			\ ['\\^A}'         , 'À'],
-			\ ['\\¨A}'         , 'Ä'],
-			\ ['\\"A}'         , 'Ä'],
-			\ ['\\''a}'        , 'á'],
-			\ ['\\`a}'         , 'à'],
-			\ ['\\^a}'         , 'à'],
-			\ ['\\¨a}'         , 'ä'],
-			\ ['\\"a}'         , 'ä'],
-			\ ['\\''E}'        , 'É'],
-			\ ['\\`E}'         , 'È'],
-			\ ['\\^E}'         , 'Ê'],
-			\ ['\\¨E}'         , 'Ë'],
-			\ ['\\"E}'         , 'Ë'],
-			\ ['\\''e}'        , 'é'],
-			\ ['\\`e}'         , 'è'],
-			\ ['\\^e}'         , 'ê'],
-			\ ['\\¨e}'         , 'ë'],
-			\ ['\\"e}'         , 'ë'],
-			\ ['\\''I}'        , 'Í'],
-			\ ['\\`I}'         , 'Î'],
-			\ ['\\^I}'         , 'Ì'],
-			\ ['\\¨I}'         , 'Ï'],
-			\ ['\\"I}'         , 'Ï'],
-			\ ['\\''i}'        , 'í'],
-			\ ['\\`i}'         , 'î'],
-			\ ['\\^i}'         , 'ì'],
-			\ ['\\¨i}'         , 'ï'],
-			\ ['\\"i}'         , 'ï'],
-			\ ['\\''{\?\\i }'  , 'í'],
-			\ ['\\''O}'        , 'Ó'],
-			\ ['\\`O}'         , 'Ò'],
-			\ ['\\^O}'         , 'Ô'],
-			\ ['\\¨O}'         , 'Ö'],
-			\ ['\\"O}'         , 'Ö'],
-			\ ['\\''o}'        , 'ó'],
-			\ ['\\`o}'         , 'ò'],
-			\ ['\\^o}'         , 'ô'],
-			\ ['\\¨o}'         , 'ö'],
-			\ ['\\"o}'         , 'ö'],
-			\ ['\\''U}'        , 'Ú'],
-			\ ['\\`U}'         , 'Ù'],
-			\ ['\\^U}'         , 'Û'],
-			\ ['\\¨U}'         , 'Ü'],
-			\ ['\\"U}'         , 'Ü'],
-			\ ['\\''u}'        , 'ú'],
-			\ ['\\`u}'         , 'ù'],
-			\ ['\\^u}'         , 'û'],
-			\ ['\\¨u}'         , 'ü'],
-			\ ['\\"u}'         , 'ü'],
-			\ ['\\`N}'         , 'Ǹ'],
-			\ ['\\\~N}'        , 'Ñ'],
-			\ ['\\''n}'        , 'ń'],
-			\ ['\\`n}'         , 'ǹ'],
-			\ ['\\\~n}'        , 'ñ'],
-			\], '[''\C\(\\IeC\s*{\)\?'' . v:val[0], v:val[1]]')
-" }}}
-
-" TOC Command {{{
-command! LatexTOC call LatexBox_TOC()
-command! LatexTOCToggle call LatexBox_TOC(1)
-" }}}
-
-" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
-
-endif
diff --git a/ftplugin/latextoc.vim b/ftplugin/latextoc.vim
deleted file mode 100644
index 5e709f67..00000000
--- a/ftplugin/latextoc.vim
+++ /dev/null
@@ -1,206 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" {{{1 Settings
-setlocal buftype=nofile
-setlocal bufhidden=wipe
-setlocal nobuflisted
-setlocal noswapfile
-setlocal nowrap
-setlocal nospell
-setlocal cursorline
-setlocal nonumber
-setlocal nolist
-setlocal tabstop=8
-setlocal cole=0
-setlocal cocu=nvic
-if g:LatexBox_fold_toc
-    setlocal foldmethod=expr
-    setlocal foldexpr=TOCFoldLevel(v:lnum)
-    setlocal foldtext=TOCFoldText()
-endif
-" }}}1
-
-" {{{1 Functions
-" {{{2 TOCClose
-function! s:TOCClose()
-    if g:LatexBox_split_resize
-        silent exe "set columns-=" . g:LatexBox_split_width
-    endif
-    bwipeout
-endfunction
-
-" {{{2 TOCToggleNumbers
-function! s:TOCToggleNumbers()
-    if b:toc_numbers
-        setlocal conceallevel=3
-        let b:toc_numbers = 0
-    else
-        setlocal conceallevel=0
-        let b:toc_numbers = 1
-    endif
-endfunction
-
-" {{{2 EscapeTitle
-function! s:EscapeTitle(titlestr)
-    let titlestr = substitute(a:titlestr, '\\[a-zA-Z@]*\>\s*{\?', '.*', 'g')
-    let titlestr = substitute(titlestr, '}', '', 'g')
-    let titlestr = substitute(titlestr, '\%(\.\*\s*\)\{2,}', '.*', 'g')
-    return titlestr
-endfunction
-
-" {{{2 TOCActivate
-function! s:TOCActivate(close)
-    let n = getpos('.')[1] - 1
-
-    if n >= len(b:toc)
-        return
-    endif
-
-    let entry = b:toc[n]
-
-    let titlestr = s:EscapeTitle(entry['text'])
-
-    " Search for duplicates
-    "
-    let i=0
-    let entry_hash = entry['level'].titlestr
-    let duplicates = 0
-    while i<n
-        let i_entry = b:toc[n]
-        let i_hash = b:toc[i]['level'].s:EscapeTitle(b:toc[i]['text'])
-        if i_hash == entry_hash
-            let duplicates += 1
-        endif
-        let i += 1
-    endwhile
-    let toc_bnr = bufnr('%')
-    let toc_wnr = winnr()
-
-    execute b:calling_win . 'wincmd w'
-
-    let root = fnamemodify(entry['file'], ':h') . '/'
-    let files = [entry['file']]
-    for line in filter(readfile(entry['file']), 'v:val =~ ''\\input{''')
-        let file = matchstr(line, '{\zs.\{-}\ze\(\.tex\)\?}') . '.tex'
-        if file[0] != '/'
-            let file = root . file
-        endif
-        call add(files, file)
-    endfor
-
-    " Find section in buffer (or inputted files)
-    if entry['level'] == 'label'
-        let re = '\(\\label\_\s*{\|label\s*=\s*\)' . titlestr . '\>'
-    else
-        let re = '\\' . entry['level'] . '\_\s*{' . titlestr . '}'
-    endif
-    call s:TOCFindMatch(re, duplicates, files)
-
-    if a:close
-        if g:LatexBox_split_resize
-            silent exe "set columns-=" . g:LatexBox_split_width
-        endif
-        execute 'bwipeout ' . toc_bnr
-    else
-        execute toc_wnr . 'wincmd w'
-    endif
-endfunction
-
-" {{{2 TOCFindMatch
-function! s:TOCFindMatch(strsearch,duplicates,files)
-    if len(a:files) == 0
-        echoerr "Could not find: " . a:strsearch
-        return
-    endif
-
-    call s:TOCOpenBuf(a:files[0])
-    let dups = a:duplicates
-
-    " Skip duplicates
-    while dups > 0
-        if search(a:strsearch, 'w')
-            let dups -= 1
-        else
-            break
-        endif
-    endwhile
-
-    if search(a:strsearch, 'w')
-        normal! zv
-        return
-    endif
-
-    call s:TOCFindMatch(a:strsearch,dups,a:files[1:])
-endfunction
-
-" {{{2 TOCFoldLevel
-function! TOCFoldLevel(lnum)
-    let line  = getline(a:lnum)
-    let match_s1 = line =~# '^\w\+\s'
-    let match_s2 = line =~# '^\w\+\.\w\+\s'
-    let match_s3 = line =~# '^\w\+\.\w\+\.\w\+\s'
-
-    if g:LatexBox_fold_toc_levels >= 3
-        if match_s3
-            return ">3"
-        endif
-    endif
-
-    if g:LatexBox_fold_toc_levels >= 2
-        if match_s2
-            return ">2"
-        endif
-    endif
-
-    if match_s1
-        return ">1"
-    endif
-
-    " Don't fold options
-    if line =~# '^\s*$'
-        return 0
-    endif
-
-    " Return previous fold level
-    return "="
-endfunction
-
-" {{{2 TOCFoldText
-function! TOCFoldText()
-    let parts = matchlist(getline(v:foldstart), '^\(.*\)\t\(.*\)$')
-    return printf('%-8s%-72s', parts[1], parts[2])
-endfunction
-
-" {{{2 TOCOpenBuf
-function! s:TOCOpenBuf(file)
-
-    let bnr = bufnr(a:file)
-    if bnr == -1
-        execute 'badd ' . a:file
-        let bnr = bufnr(a:file)
-    endif
-    execute 'buffer! ' . bnr
-    normal! gg
-
-endfunction
-
-" }}}1
-
-" {{{1 Mappings
-nnoremap <buffer> <silent> s :call <SID>TOCToggleNumbers()<CR>
-nnoremap <buffer> <silent> q :call <SID>TOCClose()<CR>
-nnoremap <buffer> <silent> <Esc> :call <SID>TOCClose()<CR>
-nnoremap <buffer> <silent> <Space> :call <SID>TOCActivate(0)<CR>
-nnoremap <buffer> <silent> <CR> :call <SID>TOCActivate(1)<CR>
-nnoremap <buffer> <silent> <leftrelease> :call <SID>TOCActivate(0)<cr>
-nnoremap <buffer> <silent> <2-leftmouse> :call <SID>TOCActivate(1)<cr>
-nnoremap <buffer> <silent> G G4k
-nnoremap <buffer> <silent> <Esc>OA k
-nnoremap <buffer> <silent> <Esc>OB j
-nnoremap <buffer> <silent> <Esc>OC l
-nnoremap <buffer> <silent> <Esc>OD h
-" }}}1
-
-" vim:fdm=marker:ff=unix:et:ts=4:sw=4
-
-endif
diff --git a/ftplugin/tex.vim b/ftplugin/tex.vim
new file mode 100644
index 00000000..cb6c503e
--- /dev/null
+++ b/ftplugin/tex.vim
@@ -0,0 +1,29 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
+
+" vimtex - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+if !get(g:, 'vimtex_enabled', 1)
+  finish
+endif
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+if !(!get(g:, 'vimtex_version_check', 1)
+      \ || has('nvim-0.1.7')
+      \ || v:version >= 704)
+  echoerr 'Error: vimtex does not support your version of Vim'
+  echom 'Please update to Vim 7.4 or neovim 0.1.7 or later!'
+  echom 'For more info, please see :h vimtex_version_check'
+  finish
+endif
+
+call vimtex#init()
+
+endif
diff --git a/ftplugin/tex_LatexBox.vim b/ftplugin/tex_LatexBox.vim
deleted file mode 100644
index f2a2ea6e..00000000
--- a/ftplugin/tex_LatexBox.vim
+++ /dev/null
@@ -1,37 +0,0 @@
-if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
-
-" LaTeX Box plugin for Vim
-" Maintainer: David Munger
-" Email: mungerd@gmail.com
-" Version: 0.9.6
-
-if exists('*fnameescape')
-	function! s:FNameEscape(s)
-		return fnameescape(a:s)
-	endfunction
-else
-	function! s:FNameEscape(s)
-		return a:s
-	endfunction
-endif
-
-if !exists('b:LatexBox_loaded')
-
-	let prefix = expand('<sfile>:p:h') . '/latex-box/'
-
-	execute 'source ' . s:FNameEscape(prefix . 'common.vim')
-	execute 'source ' . s:FNameEscape(prefix . 'complete.vim')
-	execute 'source ' . s:FNameEscape(prefix . 'motion.vim')
-	execute 'source ' . s:FNameEscape(prefix . 'latexmk.vim')
-	execute 'source ' . s:FNameEscape(prefix . 'folding.vim')
-	" added by AH to add main.tex file finder
-	execute 'source ' . s:FNameEscape(prefix . 'findmain.vim')
-	execute 'source ' . s:FNameEscape(prefix . 'mappings.vim')
-
-	let b:LatexBox_loaded = 1
-
-endif
-
-" vim:fdm=marker:ff=unix:noet:ts=4:sw=4
-
-endif