git-latexdiff errors? Workaround: using latexdiff manually allows fixing broken things

In certain cases git-latexdiff might terminate with errors instead of producing a visual diff file. For example, it might struggle with broken latex code, broken figures, certain usage of subfiles, etc. In such cases, it might help to manually do what git-latexdiff would do fully automatically for you. This post is provides a simple step-by-step explanation of how you could achieve visual highlighting even with broken Latex files.