CPack: Format CPACK_THREADS compression methods as a definition list

Prepare to add more entries beyond `xz`.

1 files changed, 11 insertions, 6 deletions

diff --git a/Modules/CPack.cmake b/Modules/CPack.cmake
index 6650f7c155..e267ed039f 100644
--- a/Modules/CPack.cmake
+++ b/Modules/CPack.cmake
@@ -304,14 +304,19 @@ installers.  The most commonly-used variables are:
 
   By default ``CPACK_THREADS`` is set to ``1``.
 
-  Currently only ``xz`` compression *may* take advantage of multiple cores.
-  Other compression methods ignore this value and use only one thread.
+  The following compression methods may take advantage of multiple cores:
+
+  ``xz``
+    Supported if CMake is built with a ``liblzma`` that supports
+    parallel compression.
 
-  .. versionadded:: 3.21
+    .. versionadded:: 3.21
 
-    Official CMake binaries available on ``cmake.org`` now ship
-    with a ``liblzma`` that supports parallel compression.
-    Older versions did not.
+      Official CMake binaries available on ``cmake.org`` now ship
+      with a ``liblzma`` that supports parallel compression.
+      Older versions did not.
+
+  Other compression methods ignore this value and use only one thread.
 
 Variables for Source Package Generators
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^