Product Option and Product Option Selection Item Identifiers

The interaction between PHP and HTML forms imposes some restrictions on the characters that may be used when creating identifiers (the ID field) for product options and product option selection items. The list below includes the characters that should be avoided when creating IDs:

Blank
Parenthesis ( )
Braces {}
Square Brackets []
At sign @
Pound sign #
Dollar sign $
Percent sign %
Carat ^
Ampersand &
Vertical bar |
Tilde ~
Backquote `
Exclamation Mark !
Greater than >
Less than <
Comma ,
Double quote "
Equal sign =
Plus sign +
Backslash \
Colon :
Semi-colon ;

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