i in Info can't get me to main definition right away

[Dan Jacobson]

I am in emacs' Info gawk manual.  I hit "i" "sub" thinking that I will
be sent to the main definition of sub() in the gawk manual.
Unfortunately I will have to hit lots of "," etc. before I get even
near.

These manuals have main definitions of functions... isn't I supposed
to zip to them?

Why is Info so much more niftier than man if I can get to the
"SYNOPSIS" of things I need in man but not as fast in Info?
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