| 이름 | 설명 |
|---|---|
| DocumentModel | DocumentModel helps to keep track of the the changes the sidebar made to the text. |
| DocumentModel.Change | Change represents one change made to the document between two checks. |
| Lookup | In most host applications the DocumentModel can not be used to track the changes the user made to the source content. The lookup is used to adjust the offset changes makde by the user. |