<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Sep 15, 2019 at 5:33 AM Eli Zaretskii <<a href="mailto:eliz@gnu.org">eliz@gnu.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> Date: Sat, 14 Sep 2019 21:33:00 +0100<br>
> From: Richard Wordingham <<a href="mailto:richard.wordingham@ntlworld.com" target="_blank">richard.wordingham@ntlworld.com</a>><br>
> Cc: <a href="mailto:harfbuzz@lists.freedesktop.org" target="_blank">harfbuzz@lists.freedesktop.org</a><br>
> <br>
> On Sat, 14 Sep 2019 21:15:04 +0300<br>
> Eli Zaretskii <<a href="mailto:eliz@gnu.org" target="_blank">eliz@gnu.org</a>> wrote:<br>
> <br>
> > > Date: Sat, 14 Sep 2019 18:13:25 +0100<br>
> > > From: Richard Wordingham <<a href="mailto:richard.wordingham@ntlworld.com" target="_blank">richard.wordingham@ntlworld.com</a>><br>
> > > <br>
> > > I think it's safe to specify the use of unsupported features, in<br>
> > > which case this is a luxury feature. <br>
> > <br>
> > you mean, specifying an unsupported feature will not cause hb_shape to<br>
> > fail, but instead just use the nominal glyphs?<br>
> <br>
> Essentially yes, i.e. unsupported features will simply be ignored.<br>
<br>
Then there's no need to know whether a feature is supported. Thanks.<br></blockquote><div><br></div><div>MS Word for example shows a preview for each support ssXX feature, and user can select one they want.</div><div><br></div><div>I don't know how (or why) you plan to use that for emacs, but you'll need to have some logic to figure out which one to enable.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
> > Emacs currently leaves it to HarfBuzz to guess the language, so I<br>
> > don't think this is an issue.<br>
> <br>
> Does HarfBuzz guess the language?<br>
<br>
Yes.<br>
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