+ instance [SecondCountableTopology α] : SecondCountableTopology (Compacts α) := by
+ instance [SecondCountableTopology α] : SecondCountableTopology (NonemptyCompacts α)
++ secondCountableTopolgy_iff
- instSecondCountableTopology

## summary with just the declaration names:
./scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).