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bug#39482: 26.3; set-fontset-font with emacs charset does not work corre


From: ynyaaa
Subject: bug#39482: 26.3; set-fontset-font with emacs charset does not work correctly
Date: Sat, 08 Feb 2020 19:50:48 +0900

Eli Zaretskii <address@hidden> writes:

>> From: address@hidden
>> Cc: address@hidden
>> Date: Sat, 08 Feb 2020 11:27:53 +0900
>> 
>> I installed emacs-27.0.60-snapshot-emacs-27-2019-12-28-x86_64-installer.exe
>> and tested the same form. It looks like there is no difference.
>
> Are you using HarfBuzz?  I don't know if the installer installs the
> HarfBuzz library by default.  If the library is not installed, Emacs
> will fall back on Uniscribe, and you have the same problems as in
> Emacs 26 again.  "C-u C-x =" on some character should tell you if
> HarfBuzz or Uniscribe is being used.

'C-u C-x =' on 'a' displays in *Help* buffer:
              display: by this font (glyph code)
    uniscribe:-outline-Courier 
New-normal-normal-normal-mono-13-*-*-*-c-*-iso8859-1 (#x44)

'C-u C-x =' on '一' displays in *Help* buffer:
              display: by this font (glyph code)
    uniscribe:-outline-MS 
ゴシック-normal-normal-normal-mono-13-*-*-*-c-*-jisx0208*-* (#xB4D)

There are following DLLs in x86_64/bin directory.
2019/12/26  22:21         1,073,664 libharfbuzz-0.dll
2019/12/26  22:21            86,528 libharfbuzz-gobject-0.dll
2019/12/26  22:21            18,944 libharfbuzz-icu-0.dll
2019/12/26  22:21           545,280 libharfbuzz-subset-0.dll

'M-x report-emacs-bug' displays following messages as initial contents.

In GNU Emacs 27.0.60 (build 1, x86_64-w64-mingw32)
 of 2019-12-29 built on CIRROCUMULUS
Repository revision: 21c3020fcec0a32122d2680a391864a75393031b
Repository branch: emacs-27
Windowing system distributor 'Microsoft Corp.', version 10.0.18363
System Description: Microsoft Windows 10 Pro (v10.0.1909.18363.628)

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install -C 'CFLAGS=-O2 -static -g3''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS PDUMPER LCMS2 GMP





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