not sure if it's bug or support
and even if it's pathauto issue.
I have similar issue as infor D6.
I have "Pattern for all CV paths" (CV - is content type) as:
the content is in one language, either English, French or Russian
so for example when creating the node in English I get this URL:
when changing interface language I want to have URL with "fr/" prefix for French smth like:
but I get simply:
Before I wrote in issue:but then I understand, that it's not my case, because my content is in only one language, I do change only interface language.