Extron electronic IPL T PCS4i manual Reserved characters, Unsafe characters, Characters

Reserved characters

Reserved characters should not be encoded when they appear in their conventional meaning in a URL. For example, do not encode the slash (/) when using it as part of the URL syntax. Only encode unsafe characters (defined in the table in the next section) in your URLs.

The following table lists reserved characters.

Characters		Hex	Dec
$	Dollar	24	36
&	Ampersand	26	38
+	Plus	2B	43
,	Comma	2C	44
/	Forward slash (virgule)	2F	47
:	Colon	3A	58
;	Semi-colon	3B	59
=	Equal	3D	61
?	Question mark	3F	63
@	“At” symbol	4O	64

Figure 30. Reserved Characters

Unsafe characters

URLs use some characters for “special use” in defining their syntax and these characters should be encoded. For various reasons, these characters may possibly be misunderstood within a URL. The following table lists unsafe characters.

Characters		Hex	Dec
	Space	20	32
“ “	Quotation marks	22	34
<	“Less than” symbol	3C	60
>	“More than” symbol	3E	62
#	Pound	23	35
%	Percent	25	37
{	Left brace	7B	123
}	Right brace	7D	125
	Vertical bar (pipe)	7C	124
\	Backslash	5C	92
^	Caret	5E	94
~	Tilde	7E	126
[	Left square bracket	5B	91
]	Right square bracket	5D	93
`	Grave accent	60	96

Figure 31. Unsafe Characters

IPL T PCS4 • HTML Configuration and Control 38