bidi spec

Erik van der Poel erikv at google.com
Wed Feb 6 02:38:04 CET 2008


In the bidi spec it says:

"if 1 or more AN are allowed alone, AL AN, when put next to AN, is unstable"

However, when I try it in ICU's implementation of the bidi algorithm,
I get the following:

LTR:
in 0660 002E 0627 0661 002E
out 0661 0627 002E 0660 002E

RTL:
in 0660 002E 0627 0661 002E
out 002E 0661 0627 002E 0660

where "in" is logical, "out" is visual. Note that there are 5
characters, and there is a dot at the end, so the final label is empty
(label "D" in the spec).

If you are not seeing the above results with your implementation of
the bidi algorithm, then it is not consistent with ICU's, and I'd like
to find out where the problem is.

Erik


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