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# Keep Marked OCCURRENCE DESCRIPTION NOTES EXAMPLES WARNINGS BUGS ## OCCURRENCE
### ARB_NT/Tree/Keep Marked
## DESCRIPTION
### Removes all unmarked species and zombies from the currently displayed tree.
## NOTES
### None
## EXAMPLES
### none
## WARNINGS
### !!! No 'undo' function available yet !!! ### It is recommended to copy the tree before modifying it.
## BUGS
### no bugs