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| author | Eli Zaretskii <eliz@gnu.org> | 2018-01-27 11:18:59 +0200 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2018-01-27 11:18:59 +0200 |
| commit | 4dd1b33a488782ef3890d37ce1303761ed827c88 (patch) | |
| tree | 4dfd670b02f386057e002e8049c3724cb76d9bb7 /etc/PROBLEMS | |
| parent | 463f96b4813fb77d88a7b0fa93f94aa08d71689f (diff) | |
| download | emacs-4dd1b33a488782ef3890d37ce1303761ed827c88.tar.gz | |
Mention crashes due to Noto Serif Kannada fonts
* etc/PROBLEMS: Mention crashes due to Noto Serif Kannada fonts,
and the respective workarounds. (Bug#30193)
Diffstat (limited to 'etc/PROBLEMS')
| -rw-r--r-- | etc/PROBLEMS | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/etc/PROBLEMS b/etc/PROBLEMS index 32f12eab62e..c194ba53145 100644 --- a/etc/PROBLEMS +++ b/etc/PROBLEMS @@ -241,12 +241,33 @@ before starting Emacs, or run Emacs as root. ** Emacs crashes when you try to view a file with complex characters. -For example, the etc/HELLO file (as shown by C-h h). -The message "symbol lookup error: /usr/bin/emacs: undefined symbol: OTF_open" -is shown in the terminal from which you launched Emacs. -This problem only happens when you use a graphical display (ie not -with -nw) and compiled Emacs with the "libotf" library for complex -text handling. +One possible reason for this could be a bug in the libotf or the +libm17n-flt/m17n-db libraries Emacs uses for displaying complex +scripts. Make sure you have the latest versions of these libraries +installed. If the problem still persists with the latest released +versions of these libraries, you can try building these libraries from +their CVS repository: + + cvs -z3 -d:pserver:anonymous@cvs.savannah.nongnu.org:/sources/m17n co libotf + cvs -z3 -d:pserver:anonymous@cvs.savannah.nongnu.org:/sources/m17n co m17n-db + cvs -z3 -d:pserver:anonymous@cvs.savannah.nongnu.org:/sources/m17n co m17n-lib + +One known problem that causes such crashes is with using Noto Serif +Kannada fonts. To work around that, force Emacs not to select these +fonts, by adding the following to your ~/.emacs init file: + + (push "Noto Serif Kannada" face-ignored-fonts) + +You can try this interactively in a running Emacs session like this: + + M-: (push "Noto Serif Kannada" face-ignored-fonts) RET + +Another set of problems is caused by an incompatible libotf library. +In this case, displaying the etc/HELLO file (as shown by C-h h) +triggers the following message to be shown in the terminal from which +you launched Emacs: + + symbol lookup error: /usr/bin/emacs: undefined symbol: OTF_open This problem occurs because unfortunately there are two libraries called "libotf". One is the library for handling OpenType fonts, |