(C) Kato 1988: 36
This result confirms the basic claim of the theory of negation developed in Kato (1985), the claim that the relative scope of the negative and quantifiers in a clause is free and that the resolution of the scope ambiguity is performed in the sphere of discourse.

In other words, Kato 1988 offers an analysis of the putative absence of the NEG>Q (and in terms of his own discussion, the Q-being-negated reading) in (10) "in the sphere of discourse."

Kato's (1988) (18), given below, contains yosan no kankei de, which would facilitate the NEG>Q (or Kato's Q-negated) reading.

(18) yosan no kankei de, sotsugyoo-sei zen'in ni shootai-joo o dase-nakat-ta

What is suggested by the discussion in Kato 1998 is that Kato's (10) and M&A's (20) can be made (more) acceptable by providing some pragmatic context that would favor the NEG>Q reading.

Kato's (10): zen'in-ga konakatta (I am representing Kato's GA as ga.)
M&A's (20): Zen'in-ga testo-o ukenakatta

I would in fact suspect that (i-b) will be judged more acceptable than (i-a) under the NEG>Q reading.

(i) a. Zen'in-ga paatii-ni denakatta.
b.Yosan no kankei de, zen'in-ga paatii-ni denakatta.

Such a result would be as expected, according to Kato's characterization of the (putative) absence of the NEG>Q reading in Kato's (10).