func (a *Article) AddVersion(new string) {
	found := false
	for _, v := range a.Versions {
		if v == new {
			found = true
		}
	}
	if !found {
		a.Versions = append(a.Versions, new)
	}
}
// AddVersion adds a version to the article metadata
AddVersion adds a version to the article metadata
// AddVersion adds a version to the article metadata
func (a *Article) AddVersion(new string) {
	found := false
	for _, v := range a.Versions {
		if v == new {
			found = true
		}
	}
	if !found {
		a.Versions = append(a.Versions, new)
	}
}
func ( a * Article ) AddVersion ( new string ) { found := false for _ , v := range a . Versions { if v == new { found = true } } if ! found { a . Versions = append ( a . Versions , new ) } }
AddVersion adds a version to the article metadata
AddVersion adds a version to the article metadata