emacs-27 a9fe6df: Fix problem with emacs -nw / eww / svg

[Lars Ingebrigtsen]

branch: emacs-27
commit a9fe6dfa90c780d9dcebae6312ab623ad7e5a2bd
Author: Robert Pluim <address@hidden>
Commit: Lars Ingebrigtsen <address@hidden>

    Fix problem with emacs -nw / eww / svg
    
    * lisp/net/shr.el (shr-parse-image-data): Don't bug out on
    non-visual Emacs versions on SVG images (bug#38507).
---
 lisp/net/shr.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 22d4cde..97f8bed 100644
--- a/lisp/net/shr.el
+++ b/lisp/net/shr.el
@@ -1197,7 +1197,8 @@ Return a string with image data."
             (libxml-parse-xml-region (point) (point-max)) 'utf-8)))
     ;; SVG images often do not have a specified foreground/background
     ;; color, so wrap them in styles.
-    (when (eq content-type 'image/svg+xml)
+    (when (and (display-images-p)
+               (eq content-type 'image/svg+xml))
       (setq data (svg--wrap-svg data)))
     (list data content-type)))