Fix symfony 42 deprecation#15

Open

ppm1337 wants to merge 4 commits intoElma:masterfrom

enloc-port:fix-symfony-42-deprecation

Commits on Jun 8, 2020

fix(unicode): use mb_strtolower
Jan Gähler
committed

Commits on Jun 9, 2020

Merge pull request #1 from jangaehler/utf-8-fixes
enloc-port
authored

Commits on Jun 14, 2020

Resolve deprecation: A tree builder without a root node is deprecated since Symfony 4.2 and will not be supported anymore in 5.0.
Peter Merseburger
committed

Commits on Mar 1, 2021

fix indentation of composer.json
ppm1337
committed