Tip on how to map <M--> in Vim.
Minor bug fixes.
Update list of objects before list of libraries.
In Rnoweb files, send selection to R if line contains '\Sexpr{'.
Documentation update.
New option vimrplugin_rcomment_string.
Replace some tabs with spaces.
New option: vimrplugin_rcomment_string.
Tmux tip: ^Az to hide/show all other panes.
Avoid error if filetype of last file isn't .R*.