Glenn, I am looking at code from some of the AST utilities but need
help to understand some thing:
What is the difference between the |4 and |3 in the these 2 calls to error()?
                error(ERROR_USAGE|4, "%s", optusage(NiL));
                error(ERROR_SYSTEM|3, "out of space [cmd]");

Olga
-- 
      ,   _                                    _   ,
     { \/`o;====-    Olga Kryzhanovska   -====;o`\/ }
.----'-/`-/     [email protected]   \-`\-'----.
 `'-..-| /       http://twitter.com/fleyta     \ |-..-'`
      /\/\     Solaris/BSD//C/C++ programmer   /\/\
      `--`                                      `--`
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