vimrc make comments italic

Question

How do I change the ~/.vimrc to have the comments in my code italicized?

In my ~/.vimrc file I have:

highlight Comment ctermfg=         


        

Answer 1

In my case I had to put this in my vimrc file:

let &t_ZH="\e[3m"
let &t_ZR="\e[23m"
highlight Comment cterm=italic

Notice it is not the same as:

set t_ZH=^[[3m
set t_ZR=^[[23m
highlight Comment cterm=italic

The former worked for me, while the latter didn't.