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@@ -6,6 +6,8 @@
\moduleauthor{Martin v. L\"owis}{martin@v.loewis.de}
\sectionauthor{Martin v. L\"owis}{martin@v.loewis.de}
+\versionadded{2.3}
+
When identifying things (such as host names) in the internet, it is
often necessary to compare such identifications for
``equality''. Exactly how this comparison is executed may depend on