ietf-mta-filters
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Re: Collected changes to 3028bis-12, section 2.4.2.4

2007-04-16 16:42:50

On Mon, 2007-04-16 at 20:15 +0100, Alexey Melnikov wrote:
Alexey Melnikov wrote:

And add the following paragraph to the end of the section:

 The following examples demonstrate valid and invalid encodings
 and how they are handled:

the list is quite long, I feel we can demonstrate more than one issue in
each example.

   "$${hex:40}" -> "$@"
   "${hex: 40 }" -> "@"
   "${HEX: 40}" -> "@"

the second is superfluous.

   "${hex:40" -> "${hex:40"
   "${hex:400}" -> "${hex:400}"

these are good.

   "${hex:40${hex:40}}" -> "${hex:40(_at_)}"

"${hex:40${hex:30}}" -> "${hex:400}"

would demonstrate that only one pass is done, too.

   "${unicode:40}" -> "@"
   "${ unicode:40}" -> "${ unicode:40}"
   "${UNICODE:40}" -> "@"

if we include the last example, the first in this set is superfluous
IMHO.  I'd like one of the examples to include backslash quoting, we
could extend that example, e.g., "\${UNICODE:40}" -> "@"

   "${UnICoDE:0000040}" -> "@"

fine.

   "${Unicode:40}" -> "@"

unnecessary, IMHO.

   "${Unicode:Cool}" -> "${Unicode:Cool}"
   "${unicode:1000000}" -> error
   "${unicode:200000}"  -> error
   "${Unicode:DF01}     -> error

ok.

And I've missed Michael's favorite:

   "${hex:" -> "${hex:"

I think the fourth example from the top covers this already, that is
"${hex:40".
-- 
Kjetil T.