natural-language-processing date-parser chronology entity-extraction datetime-parsing time-parsing chronology-parsing duration-parsing recurring-event-parsing time-set-parsing time-range-parsing

testing markdown visual-studio csharp wpf mvvm domain-driven-design nunit undo-redo tests test-driven-development mvvm-architecture mermaid value-conversion units-of-measurement chronology physical-units mermaid-diagrams physical-variables exceptions-and-error-handling