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Fri, 20 Sep 2024 05:24:12 -0700 (PDT) In-Reply-To: <87jzf61qad.fsf@yahoo.com> (Po Lu via's message of "Fri, 20 Sep 2024 20:08:10 +0800") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:292109 Archived-At: >>>>> On Fri, 20 Sep 2024 20:08:10 +0800, Po Lu via "Bug reports for GNU Em= acs, the Swiss army knife of text editors" said: >> Some of our font backends (sfntfont, at least, and perhaps macfont in >> this case) will return different registries from that which was >> specified in the font spec when enumerating font entities, in order = to >> enable font specs requesting an ASCII charset also to match fonts wi= th >> Unicode as the charset. If cached, these font entities will be >> repeatedly rejected in font_find_for_lface after being opened, with >> obvious consequences for performance. Po Lu> I forgot to mention that sometimes no charset can be derived bef= ore the Po Lu> font object is opened, and in these situations it is best not to= cache Po Lu> these font objects at all, if a registry should be specified in = the Po Lu> spec, for similar reasons. These are the fonts which are being rejected on macOS for me. And yet PingFang SC seems to work ok. strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2= =80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 strangeness detected: spec:=E2=80=99#=E2=80=99 font:=E2=80=99#=E2=80=99 Robert --=20