This support issue of encoding reserved characters in an HTML environment applies to the following web-based barcode generation components:
Characters such as %, +, and & are reserved for specific purposes,
when they are seen in the actual HTML text being sent, and the request
for a barcode encoding these characters may become distorted when these
characters are used. This is due to the HTML processor translation.
The recommended work-around according to W3C is to replace reserved
characters with the percent sign (ironically, this is the reason that
the percent sign is a reserved character) and the hexadecimal value
associated with the
For instance, the hex value for the percent sign is 25; therefore replace
all instances of the percent sign with %25. For the ampersand, the hex
value is 26, so replace all instances in the data to encode with %26.
Therefore, if the data string is 1%1&2%07, change the string to 1%251%262%2507.
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