X-Git-Url: https://cgit.sxemacs.org/?p=riece;a=blobdiff_plain;f=lisp%2Friece-eval-ruby.el;h=7e1cd7fdde1b9d9cd8b9cc10a33cf00f97d48284;hp=5d7b789dbbb27c6eabfdf5b7a8e2026b6b292177;hb=4779e1a2a0f022204c56ac2849f60d15d8bc9b90;hpb=d1ee32a77ebfbadd2880eb5d4ef1606614f1919a

diff --git a/lisp/riece-eval-ruby.el b/lisp/riece-eval-ruby.el
index 5d7b789..7e1cd7f 100644
--- a/lisp/riece-eval-ruby.el
+++ b/lisp/riece-eval-ruby.el
@@ -1,4 +1,4 @@
-;;; riece-eval-ruby.el --- evaluate Ruby programs in channels
+;;; riece-eval-ruby.el --- evaluate input string as a Ruby program
 ;; Copyright (C) 1998-2005 Daiki Ueno
 
 ;; Author: Daiki Ueno <ueno@unixuser.org>
@@ -24,8 +24,7 @@
 
 ;;; Commentary:
 
-;; To use, add the following line to your ~/.riece/init.el:
-;; (add-to-list 'riece-addons 'riece-eval-ruby)
+;; NOTE: This is an add-on module for Riece.
 
 ;;; Code:
 
@@ -33,7 +32,8 @@
 (require 'riece-message)
 
 (defgroup riece-eval-ruby nil
-  "Evaluate Ruby programs in channels."
+  "Evaluate input string as a Ruby program."
+  :prefix "riece-"
   :group 'riece)
 
 (defcustom riece-eval-ruby-prefix-regexp "^,ruby\\s-+"
@@ -44,11 +44,11 @@
 (defvar riece-eval-ruby-enabled nil)
 
 (defconst riece-eval-ruby-description
-  "Evaluate an input string as Ruby program.")
+  "Evaluate input string as a Ruby program.")
 
 (defun riece-eval-ruby-exit-handler (name)
   (riece-ruby-inspect name)
-  (let* ((data (copy-sequence riece-ruby-data))
+  (let* ((data (copy-sequence (or riece-ruby-data "nil")))
 	 (length (length data))
 	 (index 0))
     (while (< index length)