[dns-operations] creeping poorness of judgement

[Mark Delany]

On 14Mar20, Paul Vixie allegedly wrote:
> nothing in the dns protocol specification prohibits 8-bit values in a 
> <character-string> as used in HINFO (two of them) or TXT (N of them).

Gotcha. So then software below the application layer has no business
adding 0x20 bytes between substrings.

I mis-recall, but some DNS client software used to "helpfully" do this
for you. Seems to be a lot better these days.

Mark.