Who would have thunk that perl's parser would stumble over something as clear and simple as 
sub function { return 8 }

my $a = function / 4;

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which is pretty much as clear and simple as it gets? The result is a syntax error: 
Search pattern not terminated at ./test.pl line 10.
Sure, function can be disambiguated to function(), but there is no real ambiguity in the first place, or is there?

In reply to Unexpected parser error by saintmike

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