Hard coded charset to UTF-8 (#3604)

davidgroves · David Groves · web-flow · commit 888c3e3891af · 2024-09-21T19:24:57.000+02:00
Co-authored-by: David Groves &lt;git@fibrecat.org&gt;
diff --git a/altair/utils/html.py b/altair/utils/html.py
@@ -16,6 +16,7 @@
 <!DOCTYPE html>
 <html>
 <head>
+  <meta charset="UTF-8">
 {%- endif %}
   <style>
     #{{ output_div }}.vega-embed {
@@ -208,6 +209,7 @@
 <!DOCTYPE html>
 <html>
 <head>
+  <meta charset="UTF-8">
   <style>
     #{{ output_div }}.vega-embed {
       width: 100%;
