lib/utils/image.rb in metanorma-utils-1.5.4 vs lib/utils/image.rb in metanorma-utils-1.5.5

@@ -42,10 +42,11 @@
           s.replace(s.at(n.ns("./figure")))
         end
       end
 
       def svgmap_rewrite0(svgmap, namespace, localdirectory, idx)
-        if (i = svgmap.at(namespace.ns(".//image"))) && (src = i["src"])
+        if (i = svgmap.at(namespace.ns(".//image"))) &&
+            (src = i["src"]) && !src.empty?
           path = svgmap_rewrite0_path(src, localdirectory)
           File.file?(path) or return false
           svg = Nokogiri::XML(File.read(path, encoding: "utf-8"))
           i.replace(svgmap_rewrite1(svgmap, svg.root, namespace, idx))
           /^data:/.match(src) and i["src"] = datauri(path)