Previous Replies separator is not RFC-compliant

Continuing the discussion from Imdb embeds broken on other sites:

I just received two mails with practically the same content (that’s weird) due to a response linked above and noticed:

My mail application KMail doesn’t strip off the signature when I reply. The issue seems to be the separator.

KMail claims that RFC compliant is -- (dash dash space on a single line).

I think I found the source: (4.3)

However, Discourse uses “—” (triple dash without space) as a separator.

This issue has been raised before:


I guess it doesn’t really matter since most people (except geeks) use HTML views :pizza: