by Vivienne Trulock
There are 3 specific checkpoints in Guideline 4.
| No. | Checkpoint | Priority | Disability Accommodated |
|---|---|---|---|
| 4.1 | Clearly identify changes in the natural language of a document's text and any text equivalents (e.g., captions) | Priority 1 | Blind |
| 4.2 | Specify the expansion of each abbreviation or acronym in a document where it first occurs | Priority 3 | Cognitive Novice |
| 4.3 | Identify the primary natural language of a document. | Priority 3 | Blind |