Restored half of a \versionadded only half of which should have been

deleted.

Doc/lib/libdoctest.tex

@@ -293,6 +293,9 @@ rewritten example, the use of \samp{...} is independent of doctest's
 \constant{ELLIPSIS} option.  The ellipsis in that example could
 be left out, or could just as well be three (or three hundred) commas.
 
+\versionchanged[The ability to handle a multi-line exception detail
+                was added]{2.4}
+
 \subsection{Option Flags and Directives\label{doctest-options}}
 
 A number of option flags control various aspects of doctest's comparison