i.e. VAT temporarily changes from 19% to 16% as part of the Corona
related economy stimulus package. Deutsche Post thus adjusts the prices
for a subset of their products.
i.e. some added/removed products and some price changes
The package now supports multiple price lists and selects the right
one based on the effective date suffix (if present).
Without this patch, python 2.x would abort with a famous
'ascii' codec can't decode byte ...
error. This is why I kept the file free of special characters
so far, but commit 6d2ee85a7e
unfortunately broke that assumption.
I'm sure there's a proper solution, but I really don't feel like
investing time into researching and testing that now.