On 10/17/2010 10:59 AM, Michael D. Adams wrote:
"The biggest challenge was not in creating those tables, but in
understanding the nuances of the rules, by the way."
Two questions so I can understand better.
First, by nuances do you mean the nuances of how the rules interact
(which I think woul
"The biggest challenge was not in creating those tables, but in
understanding the nuances of the rules, by the way."
Two questions so I can understand better.
First, by nuances do you mean the nuances of how the rules interact
(which I think would be simplified by using a definition as I have
pro
On 10/17/2010 7:01 AM, Michael D. Adams wrote:
This is something that not even the C++ and Java reference
implementations do (though it appears that the C++ implementation of
the W rules was originally derived from a regular expression as it
uses state tables, but if so it is undocumented). (Wh
My appologies for taking so long to respond. I've been busy with conferences.
If you don't like the regular expression syntax, then they can just as
easily be expressed as English prose:
* A EuropeanNumber is a sequence of one or more groups of one or more
class EN characters. The groups are se
On Fri, Sep 10, 2010 at 05:00:21PM -0700, Asmus Freytag wrote:
> PS: Personally, I don't find the presentation in terms of the
> regular expressions any more intuitive than the original.
Some people, when confronted with a problem, think ‟I know,
I'll use regular expressions.” Now they hav
The first discussions that lead to the current formulation of the bidi
algorithm easily go back 20 years by now. There's some value in not
re-stating a specification - even if a new formulation could be found to
be 100% equivalent. That value lies in the fact that any reader can
tell, by simpl
Rules W2 through W7 for the Bidi Algorithm
[http://www.unicode.org/reports/tr9/] are rather confusing to read.
They are not confusing as to what to do but as to why they are done
and how to efficiently implement them. After many hours puzzling over
them I think I've found a simpler way to define t
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