<div dir="ltr"><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial">Hello,</div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial">I have questions regarding "interval" and "error_uri".</div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial"><b>Q1. interval</b></div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial">The explanation of "interval" in p.14 says "Client SHOULD wait", but the second paragraph in p.17 says "MUST NOT be more frequent". Is there any reason for this difference? I mean, shouldn't either SHOULD(NOT) or MUST(NOT) be used for both of the parts?</div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial"><b>Q2. error_uri</b></div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial"><br></div><div style="font-size:small;text-decoration-style:initial;text-decoration-color:initial">"12. Authentication Error Response" in p.23 mentions "error_description" and "error". Is the any reason the section does not mention "error_uri"?</div><div><br></div>Best Regards,<div>Takahiko Kawasaki</div><div><br class="gmail-Apple-interchange-newline"><br></div></div>