Re: 23.0.50; display property and continuation arrows

[Richard Stallman]

    3'. Put the cursor on the first column after the left continuation arrow
    and evaluate this sexp: (put-text-property (1- (point)) (point) 'display
    " \n").

    5. Now the rest of the text, from point to the end, appears in the same
    position as before step 3' but the continuation arrows have vanished,
    i.e., it looks like there are two lines of text, not one continued line.

When I try this, the continuation arrows do not disappear.

I am not sure that there is a bug here.