Improving highlight of lines which are too long in vim.

vimrc

@@ -76,7 +76,19 @@ au FileType python :imap <F10> <Esc><F10>
 au FileType tex :map <F9> :! if [ -f Makefile ]; then; make; else; pdflatex %:t; rm *.aux; rm *.log; fi<cr>
 
 "Highlight chars after column 80
-match ErrorMsg '\%>80v.\+'
+let s:activatedh=0
+highlight OverLength ctermbg=darkred guibg=#ffd9d9
+function! ToggleH()
+    if s:activatedh == 0
+        let s:activatedh = 1
+        match OverLength '\%>80v.\+'
+    else
+        let s:activatedh = 0
+        match none
+    endif
+endfunction
+nnoremap <F4> :call ToggleH()<CR>
+call ToggleH()
 
 "Map ctrl+f to ClangFormat
 :nnoremap <C-f> :ClangFormat<CR>

zshrc

@@ -48,12 +48,13 @@ alias m='make'
 alias cmake='cmake -G Ninja'
 alias wlan='sudo netctl-auto list'
 alias adb-connect='adb connect 192.168.1.138:5555'
-if test -f "$(which nvim)"
-then
-    alias v='nvim'
-else
-    alias v='vim'
-fi
+#if test -f "$(which nvim)"
+#then
+#    alias v='nvim'
+#else
+#    alias v='vim'
+#fi
+alias v='vim'
 if [ -f .zsh_environment ]
 then
   source ~/.zsh_environment
@@ -76,7 +77,7 @@ alias rbtv='livestreamer twitch.tv/rocketbeanstv &'
 alias taketv='livestreamer twitch.tv/taketv &'
 alias ls='ls --color=auto'
 export ASPROOT=~/.asp
-export PATH=$PATH:/home/fab/bin:/home/fab/.gem/ruby/2.3.0/bin
+export PATH=$PATH:/home/fab/bin:/home/fab/.gem/ruby/2.3.0/bin:~/.local/bin
 export LFS=/mnt/lfs
 
 #vi mode