Renders a single event as one line of Outlook-compatible CSV (no trailing newline).
the event to render
controls locale, date format (euro), and whether to append the Hebrew title (appendHebrewToSubject)
euro
appendHebrewToSubject
a CSV row: subject, start/end date/time, all-day flag, description, "show time as", and location
Renders a single event as one line of Outlook-compatible CSV (no trailing newline).