One objection asks: if a pronoun appears to fix an antecedent, how can the figure still be said to lack explicit specification? The solution is to distinguish a formally explicit pairing from a correspondence recovered by meaning.
Lexical assignment names the exact pair in the expression itself; semantic assignment becomes intelligible from the overall sense without re-identifying the referent by name.
Accordingly, a pronoun or contextual indicator does not automatically destroy laff wa nashr. The decisive question is whether the source explicitly assigns every later predicate or leaves the audience to recognize it through suitability.