func (s *Section) SetBody(body string) {
	if !s.isRawSection {
		return
	}
	s.rawBody = body
}
SetBody updates body content only if section is raw.
package ini
import (
	"errors"
	"fmt"
	"strings"
)
type Section struct {
	f        *File
	Comment  string
	name     string
	keys     map[string]*Key
	keyList  []string
	keysHash map[string]string
	isRawSection bool
	rawBody      string
}
func newSection(f *File, name string) *Section {
	return &Section{
		f:        f,
		name:     name,
		keys:     make(map[string]*Key),
		keyList:  make([]string, 0, 10),
		keysHash: make(map[string]string),
	}
}
func (s *Section) Name() string {
	return s.name
}
func (s *Section) Body() string {
	return strings.TrimSpace(s.rawBody)
}