Typo Tracker
At the bottom of the page, inside the yellow box, there is a missing „d“:
\DTMsavedatediff{〈name1 〉}{〈name2 〉}{〈register 〉} -> \DTMsaveddatediff{〈name1 〉}{〈name2 〉}{〈register 〉}
\DTMsavedatediff{〈name1 〉}{〈name2 〉}{〈register 〉} -> \DTMsaveddatediff{〈name1 〉}{〈name2 〉}{〈register 〉}