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Reserved characters in HTML must be replaced with entities: < (less than) =
<
> (greater than) =
>Some characters are reserved in HTML. If you use the less than (<) or greater than (>) signs in your HTML text, the browser might mix them with tags. Entity names or entity numbers can be used to display reserved HTML characters.
& entity_name
;&# entity_number
;
To display a less than sign (<) we must write:
<or
<Entity names are easier to remember than entity numbers.
Formula
A commonly used HTML entity is the non - breaking space: Formula
A non - breaking space is a space that will not break into a new line.Two words separated by a non-breaking space will stick together (not break into a new line). This is handy when breaking the words might be disruptive.
§ 10
Formula
10 km/h10 PM
Formula
Another common use of the non - breaking space is to prevent browsers from truncating spaces in HTML pages.
If you write 10 spaces in your text, the browser will remove 9 of them. To add real spaces to your text, you can use the character entity.
Formula
The non - breaking hyphen (‑) is used to define a hyphen character (‑) that does not break into a new line.
 Try it » < less than
<
<Try it » > greater than
>
>Try it » & ampersand
&
&Try it » " double quotation mark
"
"Try it » ' single quotation mark
'
'Try it » ¢ cent
¢
¢Try it » £ pound
£
£Try it » ¥ yen
¥
¥Try it » € euro
€
€Try it » © copyright
©
©Try it » ® registered trademark
®
®Try it » ™ trademark
™
™Try it »
Entity names are case sensitive.
A diacritical mark is a "glyph" added to a letter. Some diacritical marks, like grave ( ̀) and acute ( ́) are called accents. Diacritical marks can be used in combination with alphanumeric characters to produce a character that is not present in the character set (encoding) used in the page.
̀
a àà Try it » ́
a áá Try it » ̂
a ââ Try it » ̃
a ãã Try it » ̀ O
ÒÒ Try it » ́ O
ÓÓ Try it » ̂ O
ÔÔ Try it » ̃ O
ÕÕ Try it » There are more examples in the next chapter.