Do you have frame edges showing? Master frames will have a dotted outline.
You should get the parentheses cursor when you are inside one of these frames (if there's no other frame in front of it) and the cursor is not on a guide.
Thanks for your reply... I get how it's supposed to work... but it's just not for me.
I place frames on the master page. (a new snag I just realized is that the text frame option is grayed out, why?) If I put some text in the frame, then the text frame option is available.
Then when I associate the master to a page in my document, I load my cursor but I never get the elusive parentheses...
No frame is in front of my master frame... and I've moved the loaded cursor all around the box...
I can live without this feature, it's no big deal, but I'm frustrated that I can't make it work...
You can only place content into an EMPTY master frame.