What is the difference开发者_StackOverflow between & and & for & (ampersand)?
What should be used with UTF-8?
Both are character references and refer to the same character (AMPERSAND, U+0026). & is a named or entity character reference and & is a numerical character reference.
In fact, & is actually just a substitution for & (see list of character entities):
<!ENTITY amp CDATA "&" -- ampersand, U+0026 ISOnum -->
If you both save your file in UTF-8 and even specify it for strict browsers:
<head><meta charset="utf-8">
I would guess that you can also just use the & character. All new browsers will support it and UTF-8.
Entities: Handling Special Content
According to O'Reilly, you should be using & in XML. UTF-8 is quite a bit different. Unicode Character 'AMPERSAND' (U+0026)
No difference. UTF-8 doesn't matter because & is reserved anyway. So use &.
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