* riece-mcat.el (riece-mcat-update): Create a mcat-file if it does

not exist.

diff --git a/lisp/riece-mcat.el b/lisp/riece-mcat.el
index 59ddd64..87f9973 100644 (file)
--- a/lisp/riece-mcat.el
+++ b/lisp/riece-mcat.el
@@ -49,13 +49,16 @@
     (save-excursion
       (set-buffer (find-file-noselect mcat-file))
       (goto-char (point-min))
-      (re-search-forward (concat "^\\s-*(\\(defvar\\|defconst\\)\\s-+"
-                                (regexp-quote (symbol-name mcat-alist))))
-      (goto-char (match-beginning 0))
-      (save-excursion
-       (eval (read (current-buffer))))
+      (if (re-search-forward (concat "^\\s-*(\\(defvar\\|defconst\\)\\s-+"
+                                    (regexp-quote (symbol-name mcat-alist)))
+                            nil t)
+         (progn
+           (goto-char (match-beginning 0))
+           (save-excursion
+             (eval (read (current-buffer))))
+           (delete-region (point) (progn (forward-sexp) (point))))
+       (set mcat-alist nil))
       (setq alist (riece-mcat-extract files (symbol-value mcat-alist)))
-      (delete-region (point) (progn (forward-sexp) (point)))
       (insert "(defconst " (symbol-name mcat-alist) "\n  '(")
       (while alist
        (insert "(" (prin1-to-string (car (car alist))) " . "