return getEntity(form).map(entity -> {
            final String newInput = form.input;
            validateStopwordsString(newInput, "input", hook);
            entity.setNewInput(newInput);
            return entity;
        });
    }

    // ===================================================================================

            final VaErrorHook hook) {
        return getEntity(form).map(entity -> {
            final String newInput = form.input;
            validateProtwordsString(action, newInput, "input", hook);
            entity.setNewInput(newInput);
            return entity;
        });
    }

    // ===================================================================================

	macros          map[string]*Macro
	text            string // Text of last token returned by Next.
	peek            bool
	peekToken       ScanToken
	peekText        string
}

// NewInput returns an Input from the given path.
func NewInput(name string) *Input {
	return &Input{
		// include directories: look in source dir, then -I directories.
		includes:        append([]string{filepath.Dir(name)}, flags.I...),
		beginningOfLine: true,