Example
:set foldmethod={method} sets the fold method for the current window. This determines how folds are manipulated within that window. Valid options for "method" are:
manual(folds are manually created and destroyed by the user)indent(folds are created for lines of equal indentation)marker(substring markers are used to indicate the beginning and end of a fold)syntax(syntax highlighting items define folds)expr(a Vimscript expression is evaluated per line to define its fold level)diff(text change isn't changed in a diff view is folded)
The default is manual.
