From: Vasilij Schneidermann <v.schneidermann@gmail.com>
Date: Thu, 4 Feb 2016 04:52:59 +0000 (+1100)
Subject: Allow sending empty hidden values in eww
X-Git-Tag: emacs-25.0.91~89
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=bf64d65c640ebec74d804a76b8e6cef28c275381;p=emacs.git

Allow sending empty hidden values in eww

* lisp/net/eww.el (eww-tag-input): Allow sending empty hidden
values (bug#22388).

Copyright-paperwork-exempt: Yes
(cherry picked from commit 5898da8210af7953e638ddf7821c05260979c3f0)

Backport:
---

diff --git a/lisp/net/eww.el b/lisp/net/eww.el
index a96241d69f9..5e24d4fef4e 100644
--- a/lisp/net/eww.el
+++ b/lisp/net/eww.el
@@ -1132,7 +1132,7 @@ See URL `https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input'.")
 	  (nconc eww-form (list
 			   (list 'hidden
 				 :name name
-				 :value (dom-attr dom 'value)))))))
+				 :value (or (dom-attr dom 'value) "")))))))
      (t
       (eww-form-text dom)))
     (unless (= start (point))