JP>> Of the three, the Revised Julian Calendar produces a Mean
 JP>> Calendar Year length that is closest to the current length of the
 JP>> Mean Solar Year.  Keeping the two the same length is, of course, the
 JP>> whole point of the intercalation of extra days ("leap days").

 SM> Thanks!  I *know* I saved it now... several times!

Don't forget to correct the typing error.  I wrote that the Julian calendar
was adopted in 8BCE when I meant to write 8CE.  (It was, strictly speaking,
adopted around half a century earlier, but 8CE is when they finally managed to 
get into the habit of implementing it correctly, as George White mentioned.)

 ¯ JdeBP ®

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