Is it possible to make LaTeX mark overfull boxes in the output, for example by drawing red rectangles in the PDF where the boxes overflow? The purpose — to more easily "see" where the problems are in the output.
Warnings – How to Make LaTeX Mark Overfull Boxes in the Output
warnings
Best Answer
As David Carlisle and egreg said, you can use the
draft
option in most classes.If you wish to do it by hand (for example, you need a
final
option to check for another package's rendering) or tune it, you can usein the document preamble.