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Because the intent of this feature is primarily to let you define subr
+outines that work like built-in functions, here are prototypes for so
+me other functions that parse almost exactly like the corresponding b
+uilt-in.<P>

   1. Declared as Called as
...
  14. sub mygrep (&@) mygrep { /foo/ } $a, $b, $c
  15. sub myrand (;$) myrand 42
  16. sub mytime () mytime