Dear C:

You wrote:

> In your grammar slammer, you use which when you mean that in the following
> sentence. I expect grammar slammer to have all the right answers! Thanks for
> fixing.
>
> A dangling modifier is a phrase or clause which says something different
> from what is meant because words are left out. The meaning of the sentence,
> therefore, is left “dangling.”
>
I believe you are referring to a spurious “rule” which is not widely recognized on either side of the Atlantic. However, some editors and authorities use it. See the page “That/Which/Who” or https://www.englishplus.com/grammar/00000255.htm for more on this.