Use placeholder images in shr to avoid text moving around

* lisp/net/shr.el (shr-rescale-image): Pass in width/height
from the HTML.
(shr-tag-img): Ditto.
(shr-string-number): New function.
(shr-make-placeholder-image): Make placeholder images.
(shr-tag-img): Insert them if we have SVG support.

1 files changed, 7 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 95ca8d35385..33c1b136ebc 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -779,6 +779,13 @@ textual parts of a web page and display only that, leaving menus and
 the like off the page.
 
 ---
+*** Images that are being loaded are now marked with grey
+"placeholder" images of the size specified by the HTML.  They are then
+replaced by the real images asynchronously, which will also now
+respect width/height HTML specs (unless they specify widths/heights
+bigger than the current window).
+
+---
 *** You can now use several eww buffers in parallel by renaming eww
 buffers you want to keep separate.