More Tricks
Turning Arabic / Chinese (street) names to English
highway=* {set name='$(name:en)' ;delete name:ar}
However this relies on street names being given an English name as well
So perhaps replace above with
highway=* & name:en = * {set name='$(name:en)' ;delete name:ar}
for China / Hong Kong
highway=* & name:en= * {set name='$(name:en)' ;delete name:zh-hant}