[string] type = 'table' [[.source]] type = 'global' [[.source]] type = 'library' name = 'string' [default] type = 'function' [[.parent]] type = 'global' name = 'string' [[.parent]] type = 'library' name = 'string' [[.parent]] type = 'object' name = 'string' [sub] [[.args]] name = 's' type = 'string' [[.args]] name = 'i' type = 'integer' [[.args]] name = 'j' type = 'integer' optional = 'self' default = -1 [[.returns]] type = 'string'