When building Emacs, I use
./configure --enable-checking='glyphs' so that I can take advantage of some of the built-in tools such as
The redisplay debugging messages can be seen if the GUI version of Emacs was launched from the terminal.
Instead of watching a separate terminal application while using Emacs, I would like to see the
stderr output — in real time (if possible¹) — from within Emacs. For example, I would like to do some stuff in one Emacs window and be able to see
stderr output in another visible Emacs window. How can I achieve that goal?
¹ Due to the nature of redisplay, the buffer that displays
stderr (when this question is answered) may not be able to update until the next command loop?