Overview
 About the Miscellanous Assembly routines:
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 A few general purpose routines, the routines presented here have been
 written in Assembly. There is another list of Miscellanous, general purpose
 functions, all written in Clipper.

 Note the XPyear() function, handy to check which version you are
 currently using. Also the XPrevision() function. Quite handy when you
 need to have the exact version of the Expand Library.