lib/utils/image.rb in metanorma-utils-1.4.2 vs lib/utils/image.rb in metanorma-utils-1.4.3

@@ -166,10 +166,10 @@
       def datauri?(uri)
         /^data:/.match?(uri)
       end
 
       def url?(url)
-        %r{^([A-Z]:)?/}.match?(url)
+        %r{^[A-Z]{2,}://}i.match?(url)
       end
 
       def decode_datauri(uri)
         %r{^data:(?<mimetype>[^;]+);base64,(?<mimedata>.+)$} =~ uri
         return nil unless mimetype && mimedata