.PP
The
.B cal
-is using for Gregorian reformation the date of 1752 on the 3rd of
-September when it happen in Great Britain and it's colonies (including
-what is now the USA). Ten days following that date were eliminated by
-the reformation, so the calendar for that month is a bit unusual. The
-history when calendar reformation happen in different locales is ignored.
+program uses the 3rd of September 1752 as the date of the Gregorian calendar
+reformation -- that is when it happened in Great Britain and its colonies
+(including what is now the USA). Ten days following that date were eliminated
+by this reformation, so the calendar for that month is rather unusual.
+The actual historical dates at which the calendar reform happened in all the
+different countries (locales) are ignored.
.PP
Alternative calendars, such as the Umm al-Qura, the Solar Hijri, the Ge'ez,
or the lunisolar Hindu, are not supported.