Officially support lumo -d (dumb terminal) only

This patch supports lumo -d (dumb terminal) and suggests in the README a
command to launch it this way.

Author: arichiardi

README.md

@@ -82,7 +82,7 @@ At the moment, the default Clojure REPL and the Lumo REPL (though partially, see
 To hook up a custom REPL type, just use the right launch command (or connect through socket).
 For example, for Lumo just add the following in your `.dir-locals.el`:
 
-    ((nil . ((inf-clojure-boot-cmd . "lumo")))) ;; inf-clojure-lein-cmd if you are using Leiningen
+    ((nil . ((inf-clojure-boot-cmd . "lumo -d")))) ;; inf-clojure-lein-cmd if you are using Leiningen
 
 ## ElDoc
 
@@ -104,6 +104,15 @@ following to you Emacs config:
 ElDoc currently doesn't work with ClojureScript buffers and REPL's.
 You can leave it enabled, it just won't show anything in the echo area.
 
+## Lumo Setup
+
+For an optimal Lumo experience the `-d` needs to be passed to Lumo when launched from the command line. This disable `readline` support in order to play nicely with emacs.
+
+For example, you can use the following command (assuming `cp` contains the classpath) in your `.dir-locals.el`:
+
+((nil . (eval . (setq inf-clojure-boot-cmd (concat "lumo -d -c "
+                                                    (f-read (concat (inf-clojure-project-root) "cp")))))))
+
 ## Troubleshooting
 
 ### REPL not responsive in Windows OS

inf-clojure.el

@@ -1060,7 +1060,7 @@ for evaluation, therefore FORM should not include it."
   (apply-partially 'inf-clojure--response-match-p
                    inf-clojure--lumo-repl-form
                    (lambda (string)
-                     (string-match-p (concat inf-clojure--lumo-repl-form "\\Ca*true\\Ca*") string)))
+                     (string-match-p "\\Ca*true\\Ca*" string)))
   "Ascertain that PROC is a Lumo REPL.")
 
 (provide 'inf-clojure)