Glenn, why does this grep line print chicken_long, despite the
negation operator to filter '_long"?

printf "chicken_x\nchicken_long\n" | ./arch/linux.i386/bin/grep -X
'chicken((_long)!)'
chicken_x
chicken_long

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