Can a modifier dangle legitimately under some circumstances - 1?

HERE’S a very interesting discussion

several years ago with Mr. Roy Kagle, a reader who sent me this e- mail from Annapolis, Maryland:

“The

4th.ed. (1956), page 285, mentions two circumstances when

or participle (in the subordinate the we all agreed to support

“( 2) When a noun and participle constitute a subordinate clause which is grammatically (and semantically) independent of the rest of the sentence, as in these the motion

- guish between these two exceptions. Would you mind providingme with a clear explanation of these exceptions?”

My reply to Mr. Kagle:

the same understanding of what a dangling modifying phrase is. The material you sent me de- car,” the phrasal verb “taken in”