CATEGORIES;LANGUAGE=en:CATEGORY THREE, CATEGORY FOUR
CATEGORIES;LANGUAGE=en-GB;SAMPLE=TOKEN:CATEGORY FIVE, CATEGORY SIX, CATEGORY S
EVEN
+COMMENT:This is the first comment.
+COMMENT;ALTREP="null:nodata";LANGUAGE=en:This is the second comment.
+COMMENT;ZEBRAS=YES:This is the third comment.
END:VEVENT
END:VCALENDAR
\ No newline at end of file