d3.request inherent uri encoding not handling encoding % itself correctly?

[computationdoc]

It seems perhaps d3.request inherent uri encoding is not handle % correctly?

for example if I use d3.request to pass a text string in a parameter string that includes a % character it is not encoded so 20% . becomes 20%%20. rather than 20%25%20. and fails later...

I understand the answer may be to wrap in encodeURIComponent() but putting that all over the place seems not optimal since things get encoded anyway...

please evaluate and advise.

thanks!

JCS