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Section on Numbers #101

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behnam opened this issue Mar 7, 2017 · 5 comments
Open

Section on Numbers #101

behnam opened this issue Mar 7, 2017 · 5 comments
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@behnam
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@behnam behnam commented Mar 7, 2017

To populate 3.8 Arabic numbering

Draft is here: https://github.com/w3c/alreq/wiki/Arabic-numerals-(Draft)

Other issues related:
#59
#62
#85

@shervinafshar

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@shervinafshar shervinafshar commented May 30, 2017

Najib to merge the content he drafted on the wiki and do a PR. We'll be using this issue for review purposes.

@behnam

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@behnam behnam commented Jun 27, 2017

Review of https://w3c.github.io/alreq/#h_numbers

Feedback

  • Let's not call the variants Arabic vs. Persian. (Shervin)

  • We may want to stay away from francophone and anglophone terms. (Shervin)

  • Instead of Middle East / Western styles, I think we better use the terms more common in this topic: Eastern style and Western style.

  • We may want to expand on Thousand Separator and Decimal Separator. (Shervin)

  • Root of Bidi_Class differences between western and easter digits.

  • Maybe update the example for Bidi_Class difference to include Arabic-script text, instead of English.

  • Would number ranges (like %12-%15) be always LTR, or there are cases that 12 can go on the right-hand-side of 15?

@behnam behnam moved this from Drafting to Review + Edit in Authoring ALReq 1.0 Jun 27, 2017
@behnam behnam assigned shervinafshar and unassigned ntounsi Jun 27, 2017
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@ntounsi ntounsi commented Jul 3, 2017

* Maybe update the example for Bidi_Class difference to include Arabic-script text, instead of English.

A table like this could be more suggestive
37 5 v2

* Would number ranges (like %12-%15) be always LTR, or there are cases that 12 can go on the right-hand-side of 15?

In 12-15, - is European Separator changed to European Number (rule W4, http://unicode.org/reports/tr9/#W4). The whole string is a "number"
In ‏12٪-15٪ , - comes after ٪ European Terminator, and changed to Neutral (Rule W6). 12 comes at the right of 15 in RTL context.

BTW (and WRT previous item), this is another example where Arabic-indic digits differs from Eastern Arabic-Indic digits.

@khaledhosny

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@khaledhosny khaledhosny commented Jul 3, 2017

I’d expect the number ranges to always be RTL. I don’t think fractions using solidus are common or even used in Egypt, for me ١/٢ reads immediately as “2 January” not as a fraction. I have seen vulgar fractions, on the other hand, in some old school books and they were LTR.

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@ntounsi ntounsi commented Jul 3, 2017

Agree. Number ranges are to be read RTL.

behnam added a commit that referenced this issue Aug 15, 2017
Starting the Review of Section on Numbers (Per #101)
behnam added a commit to behnam/alreq that referenced this issue Oct 31, 2017
Edit the section from beginning up to "3.8.4 Arabic number in other
uses".

Tracker: <w3c#101>
behnam added a commit to behnam/alreq that referenced this issue Oct 31, 2017
Edit the section from beginning up to "3.8.4 Arabic number in other
uses".

Tracker: <w3c#101>
@behnam behnam self-assigned this Nov 1, 2017
@r12a r12a added the drafting label Mar 8, 2019
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