From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Mon, 11 Jun 2018 18:38:25 +0000 (+0200)
Subject: Don't have shr bug out on degenerate <img> tags
X-Git-Tag: emacs-27.0.90~4882
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=94d60f59fc654706c3a52ed2c90c355b36be7898;p=emacs.git

Don't have shr bug out on degenerate <img> tags

* lisp/net/shr.el (shr-tag-img): Protect against contructs like
<img src=" ">.
---

diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 1103a930242..edea7cb297c 100644
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -1560,6 +1560,10 @@ The preference is a float determined from `shr-prefer-media-type'."
 	(when (zerop (length alt))
 	  (setq alt "*"))
 	(cond
+         ((null url)
+          ;; After further expansion, there turned out to be no valid
+          ;; src in the img after all.
+          )
 	 ((or (member (dom-attr dom 'height) '("0" "1"))
 	      (member (dom-attr dom 'width) '("0" "1")))
 	  ;; Ignore zero-sized or single-pixel images.