Problems with footer of online iddiff tool

[klensin]

Describe the issue

Hi, when I run the online iddiff tool [1], at least with txt input and in "side by side" mode, I see a two line footer at the bottom of the last page. The first line reads

This html diff was produced by rfcdiff 1.45. The latest version is available from [http://tools.ietf.org/tools/rfcdiff/]

In no particular order, (1) I thought rfcdiff had been retired and that iddiff was the replacement. Claiming that I used rfcdiff when I invoked iddiff as noted above is, at best, confusing. (2) Clicking on that link gets me, not to the "latest version" as promised but, because tools.ietf.org is gone, to the general "authors" page [2] which invites me to go on a tour of the tools collection. (3) If I go to the tools catalog page from there, "iddiff" does not appear but "rfcdiff" does. However, when I click on the "rfcdiff" link it takes me to the iddiff page [1]. (4) Or, if I go to the author tools page instead, I find "Compare drafts. Replacement for rfcdiff is available under iddiff."

Looks like something needs a bit of updating.

[1] https://author-tools.ietf.org/iddiff [2] https://authors.ietf.org/

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