Ubuntu: How to fix web pages are full of squares containing 4 hexadecimal digits each in Firefox?



Question:

Frequently when visiting a web page such as YouTube or Wikipedia or other sites there will be squares containing four hexadecimal digits on the page. I assume these are characters which have no symbol in the font being used to display the page. In some cases they are emoji or silly Unicode graphics.

What am I supposed to do to make the web browser display the characters intended by the author of the page? I will try to upload one or more sample screenshots to be clear, but I suspect I'm not the only one who's ever faced this issue.

sample 1


Solution:1

You need a font for rendering Thai characters. Try:

sudo apt install fonts-thai-tlwg  

Edit:

To end up with that recommendation I saw via the URL that it was the Thai version of Wikipedia. Then there is the file /usr/share/language-selector/data/pkg_depends in Ubuntu which (among other things) specifies default font packages for certain languages. So the command:

cat /usr/share/language-selector/data/pkg_depends | grep ^fn:th  

gave me a suitable font package.


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