Code points is an abstraction, it's an internal Perl thing.
What are you talking about? It has nothing to do with Perl. "e" is formed from the code point U+0065, "é" is formed from code point U+00E9 or from code points U+0065 + U+0301, etc. This is defined by The Unicode Consortium, not by Perl.
It must produce a bunch of bytes.
No, the input must be a string of integers in 0..255, which it is. print has no problem storing those as bytes. iso-latin-1 doesn't factor into it.
In which of the following is does print use iso-latin-1?
my $s1 = inet_aton('126.96.36.199'); print($s1);
my $s2 = encode_utf8("éë"); print($s2);
my $s3 = "Ã©Ã«"; print($s3);
my $s4 = "\xC3\xA9\xC3\xAB"; print($s4);
The only two possible answers are "all of them" or "none of them", since print can't tell the difference between those strings.
If you claim that iso-latin-1 is used, then you claim that use utf8; produces iso-latin-1. It doesn't. It produces Unicode code points.
That prints garbage instead of 'ç'.
Because the terminal expects bytes of UTF-8, but it got bytes of Unicode code points.
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