Contextual rule for GERESH?

Matitiahu Allouche matial at il.ibm.com
Wed Jul 15 16:25:33 CEST 2009


Patrik Fältström asked (speaking of the Rule Set for Geresh):
<quote>Should be changed so it is also ok if the character before or after 
is 
a '-'?:<end of quote>

I don't see a valid use case where Geresh could come after a '-'.

Geresh is normally used in Hebrew as the last character of an 
abbreviation.  The previous character should thus be a Hebrew letter.

In the context of IDNA where 2 or more parts of speech may be joined as 
one token (label), I don't see a way to restrict what may come after the 
Geresh.

Shalom (Regards),  Mati
           Bidi Architect
           Globalization Center Of Competency - Bidirectional Scripts
           IBM Israel
           Phone: +972 2 5888802    Fax: +972 2 5870333    Mobile: +972 52 
2554160




Patrik Fältström <patrik at frobbit.se> 
Sent by: idna-update-bounces at alvestrand.no
15/07/2009 16:00

To
Mark Davis <mark at macchiato.com>
cc
idna-update at alvestrand.no
Subject
Contextual rule for GERESH?






On 5 nov 2008, at 03.15, Mark Davis wrote:

> For example those for GERESH, which can be a final character in 
> words, but the rules
> require to be followed by a Hebrew letter, when "-" should also be 
> allowed
> (the GERSHAYIM rules on the other hand are ok, since it is only 
> medial).

Is what you are saying that the current rules:

> Appendix A.8.  HEBREW PUNCTUATION GERESH
>    Code point:
>       U+05F3
>    Overview:
>       The script of the preceding character and the subsequent
>       character, if any, MUST be Hebrew.
>    Lookup:
>       False
>    Rule Set:
>       False;
>       If Script(Before(cp)) .eq.  Hebrew And
>          LastChar .eq. cp Then True;
>          If Script(Before(cp)) .eq.  Hebrew And
>             Script(After(cp)) .eq.  Hebrew Then True;
>

Should be changed so it is also ok if the character before or after is 
a '-'?

Please provide new rules.

    paf

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