Fonts don’t show as expected in firefox on Ubuntu

By boardrider

Problem description:

I have firefox (Hebrew) 4.0 installed on Ubuntu 16.04 and it shows Hebrew fonts like so (the rectangles with Unicode addresses should be Hebrew letters):

Can you suggest where the problem lies, and optionally, how to solve it?


I need to use an older firefox, because filling Hebrew forms online is only supported with firefox up to version 4.

These are the steps I took to install the Hebrew firefox:

tar xvf firefox-4.0.tar.bz2
sudo mv firefox/ /opt/firefox4he
sudo mv /usr/bin/firefox /usr/bin/firefox4us
sudo ln -s /opt/firefox4he/firefox /usr/bin/firefox


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