NAME

       mplist_add - Add a property at the end of a property list.

SYNOPSIS

       MPlist* mplist_add (MPlist * plist, MSymbol key, void * val)

DESCRIPTION

       Add a property at the end of a property list. The mplist_add() function appends at the end
       of property list plist a property whose key is key and value is val.  key can be any
       symbol other than Mnil.

       If key is a managing key, val must be a managed object. In this case, the reference count
       of val is incremented by one.

RETURN VALUE

           If the operation was successful, mplist_add() returns a sublist of plist whose first
           element is the just added one. Otherwise, it returns NULL.

COPYRIGHT

       Copyright (C) 2001 Information-technology Promotion Agency (IPA)
       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology
       (AIST)
       Permission is granted to copy, distribute and/or modify this document under the terms of
       the GNU Free Documentation License <http://www.gnu.org/licenses/fdl.html>.