Diary2(hierarchical tag)

Simple diary which has the necessary minimum function. When using a tag in searching, its descendants will also be searched. For example, if the descendants of A tag are a1, a2, a3, searching with A will search for articles with tags A, A / a1, A / a2, A / a3.(support union,intersection, difference)-search-backup-export-photo (up to 10 per article)-classify by folder and hierarchical tag-night color-password(up to 10 characters)-font size changable