check existence of node during expand/collapse before acting on it #224
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This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions. |
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This issue was closed automatically since it was marked as stale because it has not had recent activity. Thank you for your contributions. |
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Recreate of #216.
@dgreene1 , sorry for the churn but I couldn't figure out how to update the other MR.
update handling of expanding/collapsing nodes to ensure they exist in the tree
addresses #191