Fold in Vim • Tuan Tran

Folding methods

The foldmethod option is local for each window.

manual – folds must be defined by entering commands.
indent – groups of lines with the same indent form a fold
syntax – folds are defined by syntax highlighting
expr – folds are defined by a user-defined expression
marker – special characters can be manually or automatically added to your text to flag the start and end of folds
diff – used to fold unchanged text when viewing differences (automatically set in diff mode)

Vim folding command	Use to
`zc`	close a fold (if the cursor is in an open fold)
`zo`	open a fold (if the cursor is in a closed fold)
`za`	(toggle) operate on one level of folding, at the cursor
`zj`, `zk`	moves the cursor to the next/previous fold
`zm`, `zr`	increases/decrease the foldlevel by one
`zM`, `zR`	closes/open all folds