Heather Bounaouara wrote:I would consider it to be a quantifier rather than an indefinite pronoun. Would you agree?
When a noun follows, yes. But that's not invariably the case. In a sentence like, "Gib mir einfach nur ein bisschen", I think it's best analysed as a pronoun. Isn't that how you would analyse "a little" in English expressions like "Not too much, I only want a little"?
"Richmond is a real scholar; Owen just learns languages because he can't bear not to know what other people are saying."--Margaret Lattimore on her two sons