set foldmethod=syntax
set foldlevelstart=1

let javaScript_fold=1         " JavaScript
let perl_fold=1               " Perl
let php_folding=1             " PHP
let r_syntax_folding=1        " R
let ruby_fold=1               " Ruby
let sh_fold_enabled=1         " sh
let vimsyn_folding='af'       " Vim script
let xml_syntax_folding=1      " XML

set foldmethod=indent
set foldnestmax=2

manual          manually define folds
indent          more indent means a higher fold level
expr            specify an expression to define folds
syntax          folds defined by syntax highlighting
diff            folds for unchanged text
marker          folds defined by markers in the text