Can you try the following command on terminal? Replace auctex-dir below with our auctex directory. patch -ruN -d auctex-dir < indirect2.patch On Tue, 23 Apr 2024 at 12:30, Paul Nelson wrote: > > Sorry, I forgot to reply all in my previous email. The patch is attached > here. > > > > Sorry to turn this thread into "git tech support", but when I try > applying this patch using "magit-apply", I get the error: > > 128 git … am --3way -- > /Users/au710211/.emacs.d/elpaca/repos/auctex/indirect2.patch > Patch format detection failed. > > Could you tell me what steps to follow to apply it? >