The kind of folding used for the current window. Possible values: fold-manual manual Folds are created manually. fold-indent indent Lines with equal indent form a fold. fold-expr expr 'foldexpr' gives the fold level of a line. fold-marker marker Markers are used to specify folds. fold-syntax syntax Syntax highlighting items specify folds. fold-diff diff Fold text that is not changed.

(default: "manual")

not available when compiled without the +folding feature