At attribute set of Vim settings. The attribute names and corresponding values must be among the following supported options.
background : one of "dark", "light"
backupdir : list of string
copyindent : boolean
directory : list of string
expandtab : boolean
hidden : boolean
history : signed integer
ignorecase : boolean
modeline : boolean
mouse : one of "n", "v", "i", "c", "h", "a", "r"
mousefocus : boolean
mousehide : boolean
mousemodel : one of "extend", "popup", "popup_setpos"
number : boolean
relativenumber : boolean
shiftwidth : signed integer
smartcase : boolean
tabstop : signed integer
undodir : list of string
undofile : boolean
See the Vim documentation for detailed descriptions of these options. Use to manually set any options not listed above.