 
 - `env': list of strings (of the shape VARIABLE=FOO) (see
 `process-environment') that will be prepended to the environment of merlin
+
+- `dot-merlin': path to a .merlin file
 
 - `logfile': path to the logfile
 

  (let ((binary      (merlin-command))
        (flags       (merlin-lookup 'flags merlin-buffer-configuration))
        (process-environment (copy-list process-environment))
        ; FIXME use logfile
        (logfile     (or (merlin-lookup 'logfile merlin-buffer-configuration)
                         merlin-logfile))

    ;; Compute full command line.
    (setq args (merlin--map-flatten-to-string
                 "server" command "-protocol" "sexp"
                 (when dot-merlin '("-dot-merlin" dot-merlin))
                 ;; Is debug mode enabled
                 (when merlin-debug '("-log-file" "-"))
                 ;; If command is repeated, increase verbosity
