Emacs Font is wider than other applications. Most people don't notice the difference. If you can perceive it, you are not hallucinating. This can be attributed to the following: Points per inch #ifndef HAVE_ANDROID /* Number of pt per inch (from the TeXbook). */ #define PT_PER_INCH 72.27 #else /* Android uses this value instead to compensate for different device dimensions. */ #define PT_PER_INCH…