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| operator | _ (Underscore) | ||||||||
Syntax
string-part _ string-part
The _ character is used to concatenate two or more string parts into a single string. Note that the maximum length of an OmniMark string is 2,048 characters, excluding the surrounding quotation marks and any underscores used to enter long strings.
The _ character must be used when joining quoted SGML or XML names. It is also useful when a string exceeds a single line in length.
Unlike the underscore keyword, the join keyword is a run-time concatenator allowing returned values, rather than only strings, to be joined. This makes the join keyword more flexible than the underscore, so the underscore should be used only in the cases noted above.
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