recordDelimiter and fieldDelimiter display the unicode number on KNB
The Unicode number does not mean anything to most users. Maybe we can put an if statement when the value of recordDelimiter and fieldDelimiter is a unicode number. The ones I have noticed are.
#x0A <U000A> LINE FEED (LF) - This one is commonly used with recordDelimiter.
#x09 <U0009> CHARACTER TABULATION (HT) horizontal tabulation - This once is commonly used with fieldDelimiter
I think the comma delimiter is not a problem.