rails .html.slim syntax highlight

[rubyonrails3]

Hi, How can I get rails methods highlighting in .html.slim templates, It was working about 2 years ago but now I've tried it don't highlight rails helpers in .html.slim file but rest is.

[firedev]

Are you using slim-template/vim-slim?

[tpope]

I don't recall ever having supported this, but if you can bisect and find the commit where it broke, I can presumably bring it back.