themes/hugo-sustain/layouts/partials/blog/headerimage.html

@@ -15,11 +15,14 @@
     {{- $filter := .filter }}
     {{- if not $image }}
       {{- warnf "Header image '%s' not found for page %s" .src $page.RelPermalink }}
-    {{- end }}
-    {{- with $image }}
+    {{- else }}
       {{- $image = partial "image-processing" (dict "image" $image "processes" $processes "filter" $filter) -}}
-      <img src="{{ $image.RelPermalink }}" />
-    {{- end }}
+      <img
+        src="{{ $image.RelPermalink }}"
+        {{- with .text }} title="{{ . }}" {{ end }}
+        {{- with .alt }} alt="{{ . }}" {{ end }}
+      />
       {{- with .text }}<p>{{ . | markdownify }}</p>{{ end }}
+    {{- end }}
   </div>
 {{- end }}