In the description for textStandardDecimalSeparator and others, it states:
"DFDL Character classes ( NL, WSP, WSP+, WSP*, ES ) are not allowed"

However, in textStandardZeroRep, it reads:
• DFDL Character classes ( NL ES ) are not allowed.
• DFDL Character classes ( WSP, WSP+, WSP* ) are allowed.

Since the examples are in parentheses, I would expect them to not contribute to the meaning of the bulletpoint, so they would contradict each other.

However, if this is actually saying that some character classes are allowed while others are not, it should provide the full list of accepted classes (though I have a feeling this is not the case)