Replace default font for Sinhala lang - ubuntu

56-language-selector-si.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
    <match target="pattern">
        <test name="lang">
            <string>si</string>
        </test>
        <test qual="any" name="family">
            <string>sans-serif</string>
        </test>
        <edit name="family" mode="prepend">
            <string>Noto Sans Sinhala UI</string> 
        </edit>
    </match>
    <match target="pattern">
        <test name="lang">
            <string>si</string>
        </test>
        <test qual="any" name="family">
            <string>serif</string>
        </test>
        <edit name="family" mode="prepend">
            <string>Noto Serif Sinhala</string> 
        </edit>
    </match>
</fontconfig>