Allow controlling when to send cookies when retrieving images in shr

* lisp/net/shr.el (shr--use-cookies-p): New function.
(shr-tag-img): Use it.
(shr-cookie-policy): New variable.
(shr-save-contents): Use cookies.

* doc/misc/eww.texi (Advanced): Document it.

1 files changed, 6 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 3f38f9f4a12..50956f4082c 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1118,6 +1118,12 @@ The variable to use instead to alter text to be sent is now
 ** eww/shr
 
 +++
+*** The new variable 'shr-cookie-policy' can be used to control when
+to use cookies when fetching embedded images.  The default is to use
+them when the images are from the same domain as the main HTML
+document.
+
++++
 *** The 'eww' command can now create a new EWW buffer.
 Invoking the command with a prefix argument will cause it to create a
 new EWW buffer for the URL instead of reusing the default one.