is a variable defined in `
Its value is
- This variable may be risky if used as a file-local variable.
Abnormal hook run after shifting items in an Allout outline.
Functions on the hook should take two arguments:
- DEPTH-CHANGE -- integer indicating depth increase, negative for decrease
- START -- integer indicating the start point of the shifted parent item.
Some edits that shift items can be missed by this hook: specifically edits
that native allout routines do not control.
This hook might be invoked multiple times by a single command.
You can customize this variable.
This variable was introduced, or its default value was changed, in
version 24.3 of Emacs.