Jill Henry asked for a list of Element Separators and End of line indicators
because she wants to asterisks occuring in a description so another character
that won't conflict with the delimiters.
Jill,
Thank you for caring for this issue. One of the most frequent errors we get
has to do with the use of the delimiter as data.
ASC standard X12.6 paragraph 3.4 indicates:
"The delimiters consist of two levels of separators and a terminator. The
delimiters are an integral part of
the transferred data stream. Delimiters are specified in the interchange header
and shall not be used in a
data element value elsewhere in the interchange with the exception of their
possible appearance in the
binary data element. From highest to lowest level, the separators and
terminator are:
<tr> ::= segment terminator
<gs> ::= data element separator
<us> ::= component element separator"
In other words, you define what the delimiters are based on what you use as
delimiters in your ISA segment. The delimiters should be characters that exist
in the Basic or Extended Character Set as defined in X12.6 paragraphs 3.3.1 and
3.3.2.
So, if you want to keep the asterisk in the data, simply change the element
separator from asterisk to some other unused character. Likewise, to keep
asterisk as delimiter, simply change the asterisks in your data to a character
that is neither your element separator, sub-element separator, nor your segment
terminator.
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