RE: Fwd: Re: HRRIs, IRIs, etc

> 2. I think I got the syntactic differences resulting from
>    the IRI syntax correct in my last mail, but there are
>    some more restrictions in section 4 (Bidi). In particular,
>    there is "IRIs MUST NOT contain bidirectional formatting characters
>    (LRM, RLM, LRE, RLE, LRO, RLO, and PDF)."

Am I right in thinking that the use of these characters in HRRIs would
be a security risk, because they might change the appearance if the
HRRI just as a control character might?

-- Richard