Problem: Documentation of `vim.pack.update()` contains a lot of text
inside nested list. This might be a bit confusing to parse for humans
and definitely confusing to parse for neovim.io.
The description of `vim.pack` directory is not correct for Windows.
Solution: Move description of confirmation buffer in a separate
"subsection".
Use '"data" standard path' instead of '$XDG_DATA_HOME/nvim' when
documenting directory. Also use `|standard-path|` tag to link to
standard path section instead of `|stdpath()|`.
47dedb55fc
