I'm using LyX to typeset a document, and get a predictable page size when no footnotes are around. However, when I use footnotes, those are added as extra at the bottom of the page, changing the overall size of the 'text frame' of the document. In my case, it's critical to keep the maximum frame consistent so that e-readers such as KDX would show them uniformly without text shrinking. So my question - is there any way to tell LaTeX/LyX to do this?
Just to give an analogy, in InDesign you define a text frame and that's where everything goes - text and footnotes.