It turns out that the word “XMAS” as a contraction of Christmas is not a matter of modern slang or lazy writers.
The term goes back to written usage in the 16th century.
I fee a little better about it now and Xmas shall no longer annoy me!
See more of the letter “X” at: http://abcwednesday-mrsnesbitt.blogspot.com/
Learn more about XMAS at: http://en.wikipedia.org/wiki/Xmas