.ERRIDN]
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The latest version of this topic can be found at [.ERRIDN]](https://docs.microsoft.com/cpp/assembler/masm/dot-erridn).
Generates an error if the text items are identical.
Syntax
.ERRIDN[[I]] <textitem1>, <textitem2> [[, message]]
Remarks
If I is given, the comparison is case insensitive.