If I switch to the text tool and just click in one spot, without dragging out an area, it normally appears as a text object which does not have a constrained size.
Another method which sometimes results in the same is if copying text from another source and pasting into Inkscape.
One effect of this is that you can't get automatic linebreaks (you have to use [Enter]).
Is there some way to 'convert' this text object so that its size can be constrained?
Example, I want to convert this: