Make Discourse play nice with the Wayback Machine

[aschrijver (Arnold Schrijver)]

@sam

I think sorting this out is very important, cause each time people submit pages to wayback machine it is getting “rubbish” that it is considering adding to its index.

@dan

EDIT: Submitted a PR for this:

Would be lovely to see this working again. I am promoting Discourse as a central hub for Solid Project, especially for core team members and experts working on standardization of Solid, but this issue is an important reason for them to be unwilling to do so.