emacs and vim are tools that you'd use enough that mastering them is probably worth the time investment. However, it's 100% true that mastering every package y

emacs and vim are tools that you'd use enough that mastering them is probably worth the time investment. However, it's 100% true that mastering every package your stack touches is impractical. Learn just enough to get the tests to pass and move on to the next bug. I was lucky enough to have first encountered LaTeX and LilyPond while still in high school.