Document the predefined __ICARUS__ macro

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Cary R 2007-07-12 19:05:09 -07:00 committed by Stephen Williams
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Variable values come from the operating system environment, and not
from preprocessor defines elsewhere in the file or the command line.
.SH PREDEFINED MACROS
The following macro is predefined by the compiler:
.TP 8
.B __ICARUS__ = 1\fP
.SH EXAMPLES
These examples assume that you have a Verilog source file called hello.v in