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It is not enough to just set the charset. Your . html file (or any other extension) needs to be encoded as UTF-8. Open it in a code editor (like Notepad++, phpstorm, netbeans...) and check its "encoding".
Maybe your file is like ANSI, just convert to UTF-8.
There’s a great article on the net about this: The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!)
Do the alternatives come from any database? If so, which and how is the connection made?
– Wallace Magalhães
It’s not just text I introduced
– Paulo