redaxo/redaxo — comment on commit 202d210d07187b608a19ffba336ab6a201b36b1a
File: redaxo/src/core/functions/function_rex_other.inc.php line 247
By gharlan:

`mb_strlen('ä', 'ASCII')` returns always 2.
`strlen('ä')`returns 1 if mbstring available and mb func overloading active, else 2.
So, since 8343e8ded2388732df4d59585186ce581ed23098 `rex_str_size('ä')` will always return 2.