doc: desc. --dumpname option in NEWS/changes/man

Signed-off-by: Xavier Delaruelle <xavier.delaruelle@cea.fr>

.hunspell.en.dic

@@ -1215,3 +1215,4 @@ coc
 ov
 readme
 DCO
+dumpname

NEWS.rst

@@ -43,6 +43,9 @@ Modules 5.6.0 (not yet released)
   performed with :mfcmd:`module use<module>`, :mfcmd:`append-path` or
   :mfcmd:`prepend-path` modulefile commands on :subcmd:`avail`,
   :subcmd:`whatis` and :subcmd:`paths` sub-commands.
+* Add :option:`--dumpname` option to report name of current Environment
+  Modules implementation. Here it returns ``Modules``. This option is also
+  available on Lmod starting version 8.7.50.
 
 .. _Security policy: https://github.com/envmodules/modules/blob/main/SECURITY.md
 .. _Modules chat room: https://matrix.to/#/#modules:matrix.org

doc/source/changes.rst

@@ -835,6 +835,8 @@ The following command line switches appeared on Modules 5.
 +------------+-----------------------------------------------------------------+
 | 5.3        | :option:`--ignore-cache`, :option:`--ignore-user-rc`            |
 +------------+-----------------------------------------------------------------+
+| 5.6        | :option:`--dumpname`                                            |
++------------+-----------------------------------------------------------------+
 
 :option:`--output`
 

doc/source/module.rst

@@ -277,6 +277,16 @@ switches are accepted:
 
     .. versionadded:: 4.0
 
+.. option:: --dumpname
+
+ Report the name of the current implementation of the :command:`module`
+ command. This option returns ``Modules`` for this implementation. The command
+ then terminates without further processing.
+
+ .. only:: html
+
+    .. versionadded:: 5.6
+
 .. option:: --force, -f
 
  On :subcmd:`load`, :subcmd:`unload`, :subcmd:`switch`, :subcmd:`load-any`,