allout-cue-span-category

allout-cue-span-category is a variable defined in `allout-widgets.el'.
Its value is

nil

Documentation:
Symbol carrying common properties of the space following the outline icon.

(That space is used to convey selected cues indicating body qualities,
including things like:
- encryption '~'
- numbering '#'
- indirect reference '@'
- distinctive bullets - see `allout-distinctive-bullets-string'.)