enhancing tex feeling in vim

.config/nvim/init.vim

@@ -1,3 +1,5 @@
+let mapleader =","
+
 if ! filereadable(expand('~/.config/nvim/autoload/plug.vim'))
 	echo "Downloading junegunn/vim-plug to manage plugins..."
 	silent !mkdir -p ~/.config/nvim/autoload/
@@ -11,21 +13,33 @@ set nohlsearch
 set clipboard=unnamedplus
 
 " Some basics:
-	nnoremap c "_c
-	set nocompatible
-	filetype plugin on
-	syntax on
-	set encoding=utf-8
-	set number relativenumber
+nnoremap c "_c
+set nocompatible
+filetype plugin on
+syntax on
+set encoding=utf-8
+set number relativenumber
 " Disables automatic commenting on newline:
-	autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o
+autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o
 
 " Splits open at the bottom and right, which is non-retarded, unlike vim defaults.
-	set splitbelow splitright
+set splitbelow splitright
 
 " Copy selected text to system clipboard (requires gvim/nvim/vim-x11 installed):
-	vnoremap <C-c> "+y
-	map <C-p> "+P
+vnoremap <C-c> "+y
+map <C-p> "+P
+
+" Read files correctly
+autocmd BufRead,BufNewFile *.tex set filetype=tex
+
+" Compiler for languages
+map <leader>c :w! \| !compiler <c-r>%<CR>
+
+" Clean LaTex build files
+autocmd VimLeave *.tex !texclear %
+
+" Delete trailing whitespaces on save
+autocmd BufWritePre * %s/\s\+$//e
 
 " Plugin section
 call plug#begin('~/.config/nvim/plugged')
@@ -34,12 +48,7 @@ Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
 Plug 'lervag/vimtex', {'for': 'tex'}
 Plug 'artur-shaik/vim-javacomplete2'
 call plug#end()
-
-" neotex
 let g:neotex_enabled = 2
-let g:neotex_pdflatex_alternative = 'xelatex'
-
-" deoplete
 let g:deoplete#enable_at_startup = 1
 let g:deoplete#enable_smart_case = 1
 let g:deoplete#sources = {}
@@ -47,7 +56,6 @@ let g:deoplete#sources.java = ['jc', 'javacomplete2', 'file', 'buffer']
 call deoplete#custom#var('omni', 'input_patterns', {
 	\ 'tex': g:vimtex#re#deoplete
 	\})
-
 "tab as remapping for deoplete
 inoremap <silent><expr> <TAB>
 	\ pumvisible() ? "\<C-n>" :
@@ -57,6 +65,5 @@ function! s:check_back_space() abort "" {{{
 	let col = col('.') - 1
 	return !col || getline('.')[col - 1] =~ '\s'
 endfunction "" }}}
-
 " javacomplete2
 autocmd FileType java setlocal omnifunc=javacomplete#Complete