Prevent elpher-go* interpreting empty input.

diff --git a/elpher.el b/elpher.el
index 5197cb2..a360c57 100644 (file)
--- a/elpher.el
+++ b/elpher.el
@@ -2051,21 +2051,23 @@ supports the old protocol elpher, where the link is self-contained."
   "Go to a particular gopher site HOST-OR-URL.
 When run interactively HOST-OR-URL is read from the minibuffer."
   (interactive "sGopher or Gemini URL: ")
   "Go to a particular gopher site HOST-OR-URL.
 When run interactively HOST-OR-URL is read from the minibuffer."
   (interactive "sGopher or Gemini URL: ")

-  (let* ((cleaned-host-or-url (string-trim host-or-url))
-         (address (elpher-address-from-url cleaned-host-or-url))
-         (page (elpher-make-page cleaned-host-or-url address)))
-    (switch-to-buffer elpher-buffer-name)
-    (elpher-with-clean-buffer
-     (elpher-visit-page page))
-    nil))
+  (let ((trimmed-host-or-url (string-trim host-or-url)))
+    (unless (string-empty-p trimmed-host-or-url)
+      (let* ((address (elpher-address-from-url trimmed-host-or-url))
+             (page (elpher-make-page trimmed-host-or-url address)))
+        (switch-to-buffer elpher-buffer-name)
+        (elpher-with-clean-buffer
+         (elpher-visit-page page))
+        nil)))) ; non-nil value is displayed by eshell

 
 (defun elpher-go-current ()
   "Go to a particular site read from the minibuffer, initialized with the current URL."
   (interactive)
 
 (defun elpher-go-current ()
   "Go to a particular site read from the minibuffer, initialized with the current URL."
   (interactive)

-  (let ((address (elpher-page-address elpher-current-page)))
-    (let ((url (read-string "Gopher or Gemini URL: "
-                            (unless (elpher-address-special-p address)
-                              (elpher-address-to-url address)))))
+  (let* ((address (elpher-page-address elpher-current-page))
+         (url (read-string "Gopher or Gemini URL: "
+                           (unless (elpher-address-special-p address)
+                             (elpher-address-to-url address)))))
+    (unless (string-empty-p (string-trim url))

       (elpher-visit-page (elpher-make-page url (elpher-address-from-url url))))))
 
 (defun elpher-redraw ()
       (elpher-visit-page (elpher-make-page url (elpher-address-from-url url))))))
 
 (defun elpher-redraw ()