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bug#21028: Performance regression in revision af1a69f4d17a482c359d98c00e


From: Clément Pit--Claudel
Subject: bug#21028: Performance regression in revision af1a69f4d17a482c359d98c00ef86fac835b5fac (Apr 2014).
Date: Mon, 19 Dec 2016 11:25:28 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1

On 2016-12-19 10:50, Eli Zaretskii wrote:
> But if using 'prepend' doesn't work, please explain what "didn't seem
> to make a difference" means.  I tried the above with 'prepend', and
> the Emoji characters are displayed using the Segoe font.

Sorry for being unclear.  It didn't make a difference in terms of performance.  
That is, after applying the changes, characters display just the same (which is 
good, since characters were already displayed in the right font), but 
performance is still bad (every redisplay takes about 5 seconds).

> Also, using 'unicode' is gross, IMO; it's better to specify specific
> ranges of characters you want to be displayed using the font family.

I'm not sure.  I want to use these two fonts as fallbacks — hence the append 
and the 'unicode range.

Clément.


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