Thank you for the answers. I was using Noto Sans. Changing to DejaVu
Sans solved the problem.

On Sun, Aug 6, 2017 at 8:37 PM, Laslo Hunhold <d...@frign.de> wrote:
> On Sun, 6 Aug 2017 16:38:27 +0200
> Milán Csaba Kecskés <milan.kecs...@gmail.com> wrote:
>
> Hey Milán,
>
>> I've experienced the bug mentioned in the title. No matter which
>> browser - tried with Chromium 60, Firefox 54, Midori, Epiphany,
>> QupZilla, even Dillo, but all of the browsers crash dwm when opening
>> these links in them (disabling javascript does not help):
>>
>> https://www.reddit.com/r/firstworldanarchists/comments/6rvdn9/nice_grain/
>> https://twitter.com/hurlarious/status/889213344749559808/photo/1
>>
>> I use Arch Linux. Only dwm is affected, the links open with no problem
>> under i3. I've tried with the dwm package from the Arch repo (which
>> was built using the unmodified config.h I guess), cloning the git repo
>> and compiling myself with the vanilla config, but nothing changes: the
>> result is a crash when opening these links.
>
> what both links have in common is that they have Unicode characters in
> their title. It has been reported before, that with some special fonts,
> dwm crashes, but I and nobody on the team has been able to reproduce
> this.
> The minimal test case would be to create a simple X-window with a title
> containing the aforementioned unicode characters. Given the problem is
> not reproducible on the devs' computers, it might be a long haul until
> this will be debugged.
>
> depending on your skill, do you mind dissecting the font rendering in
> the dwm-code wrt to the title bars? The line responsible for drawing
> the window title texts is 735 in dwm.c[0].
>
> With best regards
>
> Laslo Hunhold
>
> [0]: http://git.suckless.org/dwm/tree/dwm.c#n735
>
> --
> Laslo Hunhold <d...@frign.de>
>

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