diff --git a/manpages/nihtest-case.html b/manpages/nihtest-case.html
index cee5a1f..68fba15 100644
--- a/manpages/nihtest-case.html
+++ b/manpages/nihtest-case.html
@@ -111,9 +111,7 @@ <h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIP
   </dd>
   <dt><a class="permalink" href="#mkdir"><code class="Ic" id="mkdir">mkdir</code></a>
     <var class="Ar">name</var></dt>
-  <dd>Create directory <var class="Ar">name</var>
-    <br/>
-     in the test directory.</dd>
+  <dd>Create directory <var class="Ar">name</var> in the test directory.</dd>
   <dt><a class="permalink" href="#precheck"><code class="Ic" id="precheck">precheck</code></a>
     <var class="Ar">command</var> [<var class="Ar">argument ...</var>]</dt>
   <dd>If <var class="Ar">command</var> exits with non-zero status, skip the
@@ -176,6 +174,12 @@ <h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIP
       is given, the output is compared with that file, otherwise the expected
       text is taken from the following lines of the test case, up to a line
       consisting of &#x201C;end-of-inline-data&#x201D;.</dd>
+  <dt><a class="permalink" href="#stdout-replace"><code class="Ic" id="stdout-replace">stdout-replace</code></a>
+    <var class="Ar">pattern replacement</var></dt>
+  <dd>Run regular expression replacement over the standard output and the
+      expected output as provided by <code class="Ic">stdout</code> before
+      comparing them. See <code class="Ic">stderr-replace</code> for
+    details.</dd>
   <dt><a class="permalink" href="#working-directory"><code class="Ic" id="working-directory">working-directory</code></a>
     <var class="Ar">directory</var></dt>
   <dd>Run the program in the subdirectory <var class="Ar">directory</var> inside
@@ -191,7 +195,7 @@ <h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
 </div>
 <table class="foot">
   <tr>
-    <td class="foot-date">November 20, 2023</td>
+    <td class="foot-date">April 10, 2024</td>
     <td class="foot-os">NiH</td>
   </tr>
 </table>
diff --git a/manpages/nihtest-case.man b/manpages/nihtest-case.man
index 35fb595..8dcd054 100644
--- a/manpages/nihtest-case.man
+++ b/manpages/nihtest-case.man
@@ -30,7 +30,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.TH "NIHTEST-CASE" "5" "November 20, 2023" "NiH" "File Formats Manual"
+.TH "NIHTEST-CASE" "5" "April 10, 2024" "NiH" "File Formats Manual"
 .nh
 .if n .ad l
 .SH "NAME"
@@ -128,7 +128,7 @@ Otherwise the argument specifies the name of the file to copy or compare againts
 \fBmkdir\fR \fIname\fR
 Create directory
 \fIname\fR
- in the test directory.
+in the test directory.
 .TP 22n
 \fBprecheck\fR \fIcommand\fR [\fIargument ...\fR]
 If
@@ -217,6 +217,15 @@ is given, the output is compared with that file,
 otherwise the expected text is taken from the following lines of the test case, up to a line consisting of
 \(lqend-of-inline-data\(rq.
 .TP 22n
+\fBstdout-replace\fR \fIpattern replacement\fR
+Run regular expression replacement over the standard output
+and the expected output as provided by
+\fBstdout\fR
+before comparing them.
+See
+\fBstderr-replace\fR
+for details.
+.TP 22n
 \fBworking-directory\fR \fIdirectory\fR
 Run the program in the subdirectory
 \fIdirectory\fR