on headings
| Cmd | When Applied To Object | Action |
|---|---|---|
| ? | Token | Display context help information. |
| + | Token | Expand to reveal all entries. |
| – | Token | Collapse to show only first level. |
| SV | Token | Sort next level by value. |
| SN | Token | Sort next level by name. |
| SD | Token | Sort next level by service time. |