docs: update descr for remove error class/code/string

Signed-off-by: Thomas Naughton <[email protected]>

Author: naughtont3

docs/man-openmpi/man3/MPI_Remove_error_class.3.rst

@@ -6,7 +6,7 @@ MPI_Remove_error_class
 
 .. include_body
 
-:ref:`MPI_Remove_error_class` |mdash| Removes an error class.
+:ref:`MPI_Remove_error_class` |mdash| Removes a user-created error class.
 
 .. The following file was automatically generated
 .. include:: ./bindings/mpi_remove_error_class.rst
@@ -22,14 +22,19 @@ OUTPUT PARAMETERS
 DESCRIPTION
 -----------
 
-The function :ref:`MPI_Remove_error_class` removes a local error class.
+The function :ref:`MPI_Remove_error_class` removes a user-created error class.
+It is erroneous to call :ref:`MPI_Remove_error_class` with a value for
+*errorclass* that was not added by a call to :ref:`MPI_Add_error_class`.
+It is erroneous to remove an error class when its associated error codes
+have not been removed before.
 
 ERRORS
 ------
 
 .. include:: ./ERRORS.rst
 
 .. seealso::
+   * :ref:`MPI_Add_error_class`
    * :ref:`MPI_Remove_error_code`
    * :ref:`MPI_Remove_error_string`
    * :ref:`MPI_Error_class`

docs/man-openmpi/man3/MPI_Remove_error_code.3.rst

@@ -6,7 +6,7 @@ MPI_Remove_error_code
 
 .. include_body
 
-:ref:`MPI_Remove_error_code` |mdash| Remove an error code associated with
+:ref:`MPI_Remove_error_code` |mdash| Remove a user-created error code associated with
 *errorcode*
 
 .. The following file was automatically generated
@@ -23,14 +23,19 @@ OUTPUT PARAMETERS
 DESCRIPTION
 -----------
 
-Removes an error code associated with *errorcode*.
-
+Removes a user-created error code associated with *errorcode*.
+It is erroneous to call :ref:`MPI_Remove_error_code` with a value for
+*errorcode* that was not added by a call to :ref:`MPI_Add_error_code`.
+It is erroneous to remove an error code when its associated error string has
+not been removed before.
 
 ERRORS
 ------
 
 .. include:: ./ERRORS.rst
 
 .. seealso::
+   * :ref:`MPI_Add_error_code`
    * :ref:`MPI_Remove_error_class`
+   * :ref:`MPI_Remove_error_string`
    * :ref:`MPI_Error_class`

docs/man-openmpi/man3/MPI_Remove_error_string.3.rst

@@ -7,7 +7,7 @@ MPI_Remove_error_string
 .. include_body
 
 :ref:`MPI_Remove_error_string` |mdash| Removes the error string associated with
-an error code.
+a user-created error code.
 
 .. The following file was automatically generated
 .. include:: ./bindings/mpi_remove_error_string.rst
@@ -23,18 +23,17 @@ OUTPUT PARAMETER
 DESCRIPTION
 -----------
 
-This routine removes an error string associated with an error code.
-It is erroneous to call :ref:`MPI_Remove_error_string` for an error value not
-generated via :ref:`MPI_Remove_error_code` (e.g., an error
-code with a value not greater than MPI_LAST_ERRCODE).
-
+This routine removes an error string associated with a user-created error code.
+It is erroneous to call :ref:`MPI_Remove_error_string` with a value for *errorcode*
+that does not have an error string added by a call to :ref:`MPI_Add_error_string`.
 
 ERRORS
 ------
 
 .. include:: ./ERRORS.rst
 
 .. seealso::
+   * :ref:`MPI_Add_error_string`
    * :ref:`MPI_Remove_error_class`
    * :ref:`MPI_Remove_error_code`
    * :ref:`MPI_Error_class`