     (restclient-mode :lang rest)
     (ruby-mode       :lang ruby)
     (rust-mode       :lang rust)
+    (rustic-mode     :lang rust)
     (scala-mode      :lang scala)
+    (scheme-mode     :lang scheme)
     (sh-mode         :lang sh)
     (swift-mode      :lang swift)
     (web-mode        :lang web)

    (taureg-mode     :lang ocaml)
    (org-mode        :lang org)
    (perl-mode       :lang perl)
    (php-mode        :lang php)
    (hack-mode       :lang php)
    (plantuml-mode   :lang plantuml)

    (LaTeX-mode      :lang latex)
    (ledger-mode     :lang ledger)
    (lua-mode        :lang lua)
    (moonscript-mode :lang lua)
    (markdown-mode   :lang markdown)
    (gfm-mode        :lang markdown)
    (nim-mode        :lang nim)
