RTL labels and numbers?

Abdulrahman I. ALGhadir aghadir at citc.gov.sa
Tue Oct 13 10:15:55 CEST 2009


Well while I was reading draft-ietf-idnabis-bidi-06.txt I found this:


"4.3.  Strings with numbers
   By requiring that the first or last character of a string be category
   R or AL, RFC 3454 prohibited a string containing right-to-left
   characters from ending with a number.
   Consider the strings ALEF 5 (HEBREW LETTER ALEF + DIGIT FIVE) and 5
   ALEF.  Displayed in an LTR context, the first one will be displayed
   from left to right as 5 ALEF (with the 5 being considered right-to-
   left because of the leading ALEF), while 5 ALEF will be displayed in
   exactly the same order (5 taking the direction from context).
   Clearly, only one of those should be permitted as a registered label,
   but barring them both seems unnecessary."


Why permitting done on the protocol level ? shouldn't this be done at
registry level?


Ex. If someone wants to register 3COM (COM is a RTL word) registry will
register 3COM for him/her and  will lock COM3.

At least this will give users the choice for picking not forcing them on
one type?


Thank you,



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