Documentation: Use definition list instead of tables

Transform tables into definition list for `cmake_host_system_information`
command manual.

Help/command/cmake_host_system_information.rst

@@ -13,45 +13,125 @@ queried.  The list of queried values is stored in ``<variable>``.
 
 ``<key>`` can be one of the following values:
 
-============================= ================================================
-Key                           Description
-============================= ================================================
-``NUMBER_OF_LOGICAL_CORES``   Number of logical cores
-``NUMBER_OF_PHYSICAL_CORES``  Number of physical cores
-``HOSTNAME``                  Hostname
-``FQDN``                      Fully qualified domain name
-``TOTAL_VIRTUAL_MEMORY``      Total virtual memory in MiB [#mebibytes]_
-``AVAILABLE_VIRTUAL_MEMORY``  Available virtual memory in MiB [#mebibytes]_
-``TOTAL_PHYSICAL_MEMORY``     Total physical memory in MiB [#mebibytes]_
-``AVAILABLE_PHYSICAL_MEMORY`` Available physical memory in MiB [#mebibytes]_
-============================= ================================================
+``NUMBER_OF_LOGICAL_CORES``
+  Number of logical cores
 
-.. versionadded:: 3.10
-  Additional ``<key>`` values are available:
+``NUMBER_OF_PHYSICAL_CORES``
+  Number of physical cores
+
+``HOSTNAME``
+  Hostname
+
+``FQDN``
+  Fully qualified domain name
+
+``TOTAL_VIRTUAL_MEMORY``
+  Total virtual memory in MiB [#mebibytes]_
+
+``AVAILABLE_VIRTUAL_MEMORY``
+  Available virtual memory in MiB [#mebibytes]_
+
+``TOTAL_PHYSICAL_MEMORY``
+  Total physical memory in MiB [#mebibytes]_
+
+``AVAILABLE_PHYSICAL_MEMORY``
+  Available physical memory in MiB [#mebibytes]_
+
+``IS_64BIT``
+  .. versionadded:: 3.10
+
+  One if processor is 64Bit
+
+``HAS_FPU``
+  .. versionadded:: 3.10
+
+  One if processor has floating point unit
+
+``HAS_MMX``
+  .. versionadded:: 3.10
+
+  One if processor supports MMX instructions
+
+``HAS_MMX_PLUS``
+  .. versionadded:: 3.10
+
+  One if processor supports Ext. MMX instructions
+
+``HAS_SSE``
+  .. versionadded:: 3.10
+
+  One if processor supports SSE instructions
+
+``HAS_SSE2``
+  .. versionadded:: 3.10
+
+  One if processor supports SSE2 instructions
+
+``HAS_SSE_FP``
+  .. versionadded:: 3.10
+
+  One if processor supports SSE FP instructions
+
+``HAS_SSE_MMX``
+  .. versionadded:: 3.10
+
+  One if processor supports SSE MMX instructions
+
+``HAS_AMD_3DNOW``
+  .. versionadded:: 3.10
+
+  One if processor supports 3DNow instructions
+
+``HAS_AMD_3DNOW_PLUS``
+  .. versionadded:: 3.10
+
+  One if processor supports 3DNow+ instructions
+
+``HAS_IA64``
+  .. versionadded:: 3.10
+
+  One if IA64 processor emulating x86
+
+``HAS_SERIAL_NUMBER``
+  .. versionadded:: 3.10
+
+  One if processor has serial number
+
+``PROCESSOR_SERIAL_NUMBER``
+  .. versionadded:: 3.10
+
+  Processor serial number
+
+``PROCESSOR_NAME``
+  .. versionadded:: 3.10
+
+  Human readable processor name
+
+``PROCESSOR_DESCRIPTION``
+  .. versionadded:: 3.10
+
+  Human readable full processor description
+
+``OS_NAME``
+  .. versionadded:: 3.10
+
+  See :variable:`CMAKE_HOST_SYSTEM_NAME`
+
+``OS_RELEASE``
+  .. versionadded:: 3.10
+
+  The OS sub-type e.g. on Windows ``Professional``
+
+``OS_VERSION``
+  .. versionadded:: 3.10
+
+  The OS build ID
+
+``OS_PLATFORM``
+  .. versionadded:: 3.10
+
+  See :variable:`CMAKE_HOST_SYSTEM_PROCESSOR`
 
-============================= ================================================
-Key                           Description
-============================= ================================================
-``IS_64BIT``                  One if processor is 64Bit
-``HAS_FPU``                   One if processor has floating point unit
-``HAS_MMX``                   One if processor supports MMX instructions
-``HAS_MMX_PLUS``              One if processor supports Ext. MMX instructions
-``HAS_SSE``                   One if processor supports SSE instructions
-``HAS_SSE2``                  One if processor supports SSE2 instructions
-``HAS_SSE_FP``                One if processor supports SSE FP instructions
-``HAS_SSE_MMX``               One if processor supports SSE MMX instructions
-``HAS_AMD_3DNOW``             One if processor supports 3DNow instructions
-``HAS_AMD_3DNOW_PLUS``        One if processor supports 3DNow+ instructions
-``HAS_IA64``                  One if IA64 processor emulating x86
-``HAS_SERIAL_NUMBER``         One if processor has serial number
-``PROCESSOR_SERIAL_NUMBER``   Processor serial number
-``PROCESSOR_NAME``            Human readable processor name
-``PROCESSOR_DESCRIPTION``     Human readable full processor description
-``OS_NAME``                   See :variable:`CMAKE_HOST_SYSTEM_NAME`
-``OS_RELEASE``                The OS sub-type e.g. on Windows ``Professional``
-``OS_VERSION``                The OS build ID
-``OS_PLATFORM``               See :variable:`CMAKE_HOST_SYSTEM_PROCESSOR`
-============================= ================================================
 
 .. rubric:: Footnotes