diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index d9c6fe6..5b0bd4e 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -117,6 +117,8 @@ set noshowcmd
  	autocmd BufWritePre * let currPos = getpos(".")
 	autocmd BufWritePre * %s/\s\+$//e
 	autocmd BufWritePre * %s/\n\+\%$//e
+  autocmd BufWritePre *.[ch] %s/\%$/\r/e " add trailing newline for ANSI C standard
+  autocmd BufWritePre *neomutt* %s/^--$/-- /e " dash-dash-space signature delimiter in emails
   	autocmd BufWritePre * cal cursor(currPos[1], currPos[2])
 
 " When shortcut files are updated, renew bash and ranger configs with new material: