fix REPL completion

README.org

@@ -72,7 +72,7 @@ and use it:
 
 TODO: we will distribute ready-to-use core images.
 
-** With a binary. Use CIEL's own REPL.
+** With a binary. Use CIEL's custom REPL.
 
    You don't need anything, just download the CIEL executable and run
    its REPL.
@@ -85,11 +85,15 @@ TODO: we will distribute ready-to-use core images.
 
    You are dropped into a custom Lisp REPL, freely based on [[https://github.com/hellerve/sbcli][sbcli]].
 
-   This REPL is more user friendly than the default SBCL one. It
-   handles errors gracefully, it is not too verbose and it has readline
-   capabilities, including multiline input and reset.
+   This REPL is more user friendly than the default SBCL one:
+
+- it has readline capabilities, meaning that the arrow keys work (!)
+  and there is a persistent history, like in any shell.
+- it has *multiline input* and reset.
+- it has *TAB completion* of symbols.
+- it handles errors gracefully: you are not dropped into the debugger
+  and its sub-REPL, you simply see the error message.
 
-   # todo: symbol completion is broken?
 
 * Libraries
 ** Data structures

repl.lisp

@@ -186,8 +186,6 @@ based on SBCLI")
   (declare (ignore start) (ignore end))
   (select-completions text (get-all-symbols)))
 
-;; TODO: I don't have completion.
-(rl:register-function :complete #'custom-complete)
 
 ;; -1 means take the string as one arg
 (defvar *special*
@@ -264,10 +262,14 @@ based on SBCLI")
     (sbcli "" *prompt*)))
 
 (defun repl ()
+  ;; TODO: I don't have completion.
+  (rl:register-function :complete #'custom-complete)
+
   (if (probe-file *config-file*)
       (load *config-file*))
 
   (print *banner*)
+  (print "hello !!!")
   (write-line (str:repeat 80 "-"))
   (print-system-info)
   (write-line (str:repeat 80 "-"))