Here's some Big5 Chinese:
問余何意棲碧山 笑而不答心自閑 桃花流水杳然去 別有天地非人間

Here's the same Big5 Chinese, but inside a span marked <span lang="zh-TW">:
問余何意棲碧山 笑而不答心自閑 桃花流水杳然去 別有天地非人間

numbered entities

 

first

second

third

fourth

 

character

code

character

code

character

code

character

code
a

ā

&#257;

á

&#225;

ǎ

&#462;

à

&#224;
e

ē

&#275;

é

&#233;

ĕ

&#277;

è

&#232;
i

ī

&#299;

í

&#237;

ǐ

&#464;

ì

&#236;
o

ō

&#333;

ó

&#243;

ǒ

&#466;

ò

&#242;
u

ū

&#363;

ú

&#250;

ǔ

&#468;

ù

&#249;
u:

ǖ

&#470;

ǘ

&#472;

ǚ

&#474;

ǜ

&#476;

Here are the same characters, this time not in a table:

A  ā á ǎ à
E  ē é ĕ è 
I  ī í ǐ ì 
O  ō ó ǒ ò 
U  ū ú ǔ ù 
U:  ǖ ǘ ǚ ǜ

Wǒ ài Táiwān.
Nǐ hǎo ma?

named entities

 

first

second

third

fourth

 

character

code

character

code

character

code

character

code
a

n/a

n/a

á

&aacute;

n/a

n/a

à

&agrave;
e

n/a

n/a

é

&eacute;

n/a

n/a

è

&egrave;
i

n/a

n/a

í

&iacute;

n/a

n/a

ì

&igrave;
o

n/a

n/a

ó

&oacute;

n/a

n/a

ò

&ograve;
u

n/a

n/a

ú

&uacute;

n/a

n/a

ù

&ugrave;
u:

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

Here are the same characters, this time not in a table:

A á à
E é è
I í ì
O ó ò
U ú ù

moving diacritics

 

first

second

third

fourth
a

ā

a&#772;

á

a&#769;

ǎ

a&#780;

à

a&#768;
e

ē

e&#772;

é

e&#769;

ě

e&#780;

è

e&#768;
i

ī

i&#772;

í

i&#769;

ǐ

i&#780;

ì

i&#768;
o

ō

o&#772;

ó

o&#769;

ǒ

o&#780;

ò

o&#768;
u

ū

u&#772;

ú

u&#769;

ǔ

u&#780;

ù

u&#768;
u:

ǖ

ü&#772;

ǘ

ü&#769;

ǚ

ü&#780;

ǜ

ü&#768;

Wǒ ài Táiwān.
Nǐ hǎo ma?