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CHAR>=

CHAR>=
======

Syntax: (char>= {<character> ...})

This function compares the given characters in the
same way like numbers.

The following ordering on characters exists:
 
A < ... < Z
a < ... < z
0 < ... < 9

The ordering between those groups is unspecified and
depends on the implementation. But most of the time
the characters are in the ASCII ordering.

0...9 < A...Z < a...z.

It returns T, when the ordering is given, otherwise
NIL.

example:       >(char>= #\a #\a)
               T


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