From 254be36948aaabbb54722db6660bf271fa9c22e4 Mon Sep 17 00:00:00 2001
From: Ryan Malloy <ryan@supported.systems>
Date: Fri, 13 Feb 2026 03:50:58 -0700
Subject: [PATCH] Fix SVG MIME type for embedded images (port of upstream PR
 #443)

SVG images embedded in connector/cable nodes failed to display because
the MIME type was image/svg instead of image/svg+xml per W3C spec.
---
 src/wireviz/wv_output.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wireviz/wv_output.py b/src/wireviz/wv_output.py
index b9cfd78..084b464 100644
--- a/src/wireviz/wv_output.py
+++ b/src/wireviz/wv_output.py
@@ -15,7 +15,7 @@ from wireviz.wv_utils import (
     smart_file_resolve,
 )
 
-mime_subtype_replacements = {"jpg": "jpeg", "tif": "tiff"}
+mime_subtype_replacements = {"jpg": "jpeg", "svg": "svg+xml", "tif": "tiff"}
 
 
 # TODO: Share cache and code between data_URI_base64() and embed_svg_images()