has_more="0" with pretty-printer installed

Hi,
I find the output of "-var-create" in gdb.python/py-mi.exp confuses me a 
little,

-var-create container @ c^M
^done,name="container",numchild="0",value="{...}",type="zzz_type",thread-id="1",dynamic="1",has_more="0"^M
                                                  ^^^^^^^^^^^^
(gdb) ^M
PASS: gdb.python/py-mi.exp: create container varobj

On this test, pretty-printer is installed, and 'c' is of type 'zzz_type',

struct container
{
   string name;
   int len;
   int *elements;
};

typedef struct container zzz_type;

IIUC, has_more should be 1 here, because c has three fields.  Am I 
missing something?  The minimum steps to reproduce this problem are:

$ ./gdb ./testsuite/gdb.python/py-mi
(gdb) b main
Breakpoint 1 at 0x80485ee: file 
../../../../git/gdb/testsuite/gdb.python/py-prettyprint.c, line 264.
(gdb) run
Starting program: 
/home/yao/Source/gnu/gdb/build-git/x86/gdb/testsuite/gdb.python/py-mi

Breakpoint 1, main () at 
../../../../git/gdb/testsuite/gdb.python/py-prettyprint.c:264
264       string x = make_string ("this is x");
(gdb) python exec (open 
('gdb/git/gdb/testsuite/gdb.python/py-prettyprint.py').read ())
(gdb) interpreter-exec mi "-enable-pretty-printing"
^done
(gdb) interpreter-exec mi "-var-create container @ c"
^done,name="container",numchild="0",value="{...}",type="zzz_type",thread-id="1",dynamic="1",has_more="1"
                                                  ^^^^^^^^^^^
// note: at this point, has_more is 1, which looks right to me

(gdb) b 329
Breakpoint 2 at 0x804871e: file 
../../../../git/gdb/testsuite/gdb.python/py-prettyprint.c, line 329.
(gdb) c
Continuing.

Breakpoint 2, main () at 
../../../../git/gdb/testsuite/gdb.python/py-prettyprint.c:329
329       add_item (&c, 23);            /* MI breakpoint here */
(gdb) interpreter-exec mi "-var-create container1 @ c"
^done,name="container1",numchild="0",value="{...}",type="zzz_type",thread-id="1",dynamic="1",has_more="0"
                                                  ^^^^^^^^^^^^

// has_more becomes 0.

-- 
Yao (齐尧)