Re: Not able to display \u110BD and \u110CD in Emacs

[Eli Zaretskii <eliz@gnu.org>]

> From: Madhu <enometh@meer.net>
> Date: Fri, 06 May 2022 09:29:45 +0530
> 
> [bear with me: I downloaded NotoSansKaithi-Regular.ttf and tried to
> replicate what Sameer had done: First I was not able to get hb-view to
> produce the output shown in the first post:

I don't think I see any hb-view output in the first post; what did I
miss?

> the #x110bc number sign
> doesn't span the following numbers. Then After mutating the
> composition-function-table as indicated, i had to set
> 
> (set-fontset-font "fontset-default" '(#x11080 . #x110cf)
> 		  (font-spec :name "Noto Sans Kaithi"
> 			     ;; :otf '(kthi nil (rphf))
> 			     :registry "iso10646-1" ))
> 
> is this incorrect?

You should probably use 'prepend as the ADD argument of
set-fontset-font, but otherwise this looks OK to me.  (But does Kaithi
really need the rphf feature?)

> if i add the :otf key then "find-font doesn't find
> the font"

Maybe this font doesn't have some of these OTF features?

> > I will take a look at this when I have time, but please file a bug
> > report about this issue.  If you can include in the report the results
> > of running hb-view (from the HarfBuzz distribution) on the text
> > sequences you describe, that would help.
> 
> I'll try to this by the following week.

TIA