[Libreoffice-bugs] [Bug 136121] some fonts do not render digits which used to in older version

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=136121

--- Comment #3 from Ming Hua <ming.v.hua at qq.com> ---
(In reply to Taher Alkhateeb from comment #2)
> Perhaps what you're saying is correct. However older versions of LibreOffice
> used to show the digits anyway, which means it might fallback to another
> font or something? Right now what happens is what I described. We can close
> this ticket if you think this behavior should _not_ be addressed. But I
> suppose a fallback font or something to that effect might be a better
> approach?
I definitely think the problem should be addressed, but to achieve that we must
first find out what the problem is.

If we eliminate the factor of Noto Kufi Arabic font (which you probably agree
is irrelevant here), your problem becomes a very vague "I used to see digits in
some unspecified old LO version, now in 6.4.6 the digits aren't displayed". 
And without more information, few people can help, unless he/she also stumbles
into such a problem.  All I was doing was trying to find an environment that
can reproduce the problem while eliminating irrelevant factors.

I believe in general LO uses the "Western" font to display the digit
characters.  And if one chooses some font without digit glyphs as the Western
font, there will be fallback font used.  Your report didn't specify how the
font was set up in your system and LO.

It would help if you can install an older version of LO on your system using
parallel installation (for Linux, see
https://wiki.documentfoundation.org/Installing_in_parallel/Linux), and then
confirm the problem is due to difference between LO versions, not some other
changes in your system.  Then it is probably also necessary to describe the
various fonts installed in your system (I assume most Linux still uses
fontconfig?  So output of fc-list, fc-cache, etc.).  If the problem doesn't
happen to a fresh install and newly created document, an example file and the
information about your LO configuration is also needed.

I don't use Linux anymore, so I don't even fully know which questions to ask. 
I'll leave that to others.  Meanwhile, as the bug reporter, the more
information you can provide, the easier it is for other people to reproduce
your problem and solve it.

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