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<div class="moz-cite-prefix">Thanks.<br>
<br>
I tried with Uniscribe, and it seems that HB applies calt and liga
together in lookup order, while Uniscribe applies each feature
independently. I put the details in the issue. <br>
<br>
Eric.<br>
<br>
On 7/11/17 2:15 AM, Behdad Esfahbod wrote:<br>
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<blockquote type="cite"
cite="mid:CAF63+7VAKUhYaXOrGn2Ofim5_AjB53AYugkX8NShG6sRcKtLkw@mail.gmail.com">
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<div>Hi Eric,<br>
<br>
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We try to follow Uniscribe very closely. See:<br>
<br>
<a
href="https://github.com/behdad/harfbuzz/blob/master/src/hb-ot-shape-complex-arabic.cc#L181"
moz-do-not-send="true">https://github.com/behdad/harfbuzz/blob/master/src/hb-ot-shape-complex-arabic.cc#L181</a><br>
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I'll follow up with your issue on github.<br>
<br>
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b<br>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Jul 11, 2017 at 4:11 AM, Eric
Muller <span dir="ltr"><<a
href="mailto:emuller@amazon.com" target="_blank"
moz-do-not-send="true">emuller@amazon.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">If I read
the Microsoft spec for Arabic, it seems pretty clear that
features should be applied one by one, in a specified order.
On the other hand, I have the impression that Harfbuzz
applies the lookups in lookup order. Is that the case?<br>
<br>
Evidence at <<a
href="https://github.com/behdad/harfbuzz/issues/505"
rel="noreferrer" target="_blank" moz-do-not-send="true">https://github.com/behdad/har<wbr>fbuzz/issues/505</a>>.<br>
<br>
Thanks,<br>
Eric.<br>
<br>
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target="_blank" moz-do-not-send="true">HarfBuzz@lists.freedesktop.org</a><br>
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href="https://lists.freedesktop.org/mailman/listinfo/harfbuzz"
rel="noreferrer" target="_blank" moz-do-not-send="true">https://lists.freedesktop.org/<wbr>mailman/listinfo/harfbuzz</a><br>
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<br>
-- <br>
<div class="gmail_signature" data-smartmail="gmail_signature">behdad<br>
<a href="http://behdad.org/" target="_blank"
moz-do-not-send="true">http://behdad.org/</a></div>
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