Help: Improve cross-referencing of test LABELS and related features

Help/command/ctest_test.rst

@@ -286,6 +286,8 @@ The following example demonstrates how to specify a custom value for the
    std::cout <<
      "<CTestDetails>My Custom Details Value</CTestDetails>" << std::endl;
 
+.. _`Additional Labels`:
+
 Additional Labels
 """""""""""""""""
 

Help/manual/ctest.1.rst

@@ -464,6 +464,10 @@ CTest prints timing summary information for each ``LABEL`` and subproject
 associated with the tests run. The label time summary will not include labels
 that are mapped to subprojects.
 
+.. versionadded:: 3.22
+  Labels added dynamically during test execution are also reported in the
+  timing summary.  See :ref:`Additional Labels`.
+
 When the :prop_test:`PROCESSORS` test property is set, CTest will display a
 weighted test timing result in label and subproject summaries. The time is
 reported with `sec*proc` instead of just `sec`.

Help/prop_test/LABELS.rst

@@ -1,6 +1,10 @@
 LABELS
 ------
 
-Specify a list of text labels associated with a test.
+Specify a list of text labels associated with a test.  The labels are
+reported in both the ``ctest`` output summary and in dashboard submissions.
+They can also be used to filter the set of tests to be executed (see the
+``ctest -L`` and ``ctest -LE`` :ref:`CTest Options`).
 
-The list is reported in dashboard submissions.
+See :ref:`Additional Labels` for adding labels to a test dynamically during
+test execution.