public U0 DocProfile(U8 *filename,I64 flags)
{
    I64  i,
        *cmd_stats          = CAlloc(sizeof(I64) * DOCT_TYPES_NUM),
        *flags_stats        = CAlloc(sizeof(I64) * 64),
        *type_flags_stats   = CAlloc(sizeof(I64) * 64);
    //Note: word wrap is determined by
    //doc->win_task when a CDoc is recalculated
    //use DocRecalc().
    CDoc *doc = DocRead(filename, flags);

    //doc->head which is equ to doc is the
    //header of the CQueue and represents the end-of-file marker.
    CDocEntry *doc_e = doc->head.next;

    while (doc_e != doc)
    {
        cmd_stats[doc_e->type_u8]++;
        for (i = 0; i < 64; i++)
            if (Bt(&doc_e->de_flags, i))
                flags_stats[i]++;
        for (i = 16; i < 32; i++)
            if (Bt(&doc_e->type, i))
                type_flags_stats[i]++;
        doc_e = doc_e->next;
    }
    DocDel(doc);

    "$PURPLE$-------%s-------\n", filename;
    "$GREEN$The lowest byte of the 32-bit 'doc_e->type', "
    "'$PURPLE$doc_e->type.u8[0]$GREEN$', "
    "is cmd and accessed with the union "
    "'$PURPLE$doc_e->type_u8$GREEN$'.  "
    "See $LK,\"CDocEntry\",A=\"MN:CDocEntry\"$, "
    "$LK,\"Doc Type Defines\",A=\"MN:DOCT_TEXT\"$ and "
    "$LK,\"Doc Type Codes\","
    "A=\"FF:::/System/DolDoc/DocInit.CC,ST_DOC_CMDS\"$.\n"
    "$FG$";
    for (i = 0; i < DOCT_TYPES_NUM; i++)
        if (cmd_stats[i])
            "%4Z:%d\n", i, "ST_DOC_CMDS", cmd_stats[i];

    "\n$GREEN$'$PURPLE$doc_e->type.u8[1]$GREEN$' is "
    "the screen color attr of the "
    "entry.  '$PURPLE$doc_e->type.u16[1]"
    "$GREEN$' is some flags for blinking and "
    "stuff.  See $LK,\"Doc Type Flag "
    "Defines\",A=\"MN:DOCET_BLINK\"$.\n$FG$";

    for (i = 16; i < 32; i++)
        if (type_flags_stats[i])
            "%4d:%d\n", i, type_flags_stats[i];

    "$GREEN$\n'$PURPLE$doc_e->de_flags$GREEN$' is 64-bit.  "
    "See $LK,\"Doc Flag Defines\",A=\"MN:DOCEf_TAG\"$ and "
    "$LK,\"Doc Flag Codes\","
    "A=\"FF:::/System/DolDoc/DocInit.CC,ST_DOC_FLAGS\"$.\n"
    "$FG$";
    for (i = 0; i < 64; i++)
        if (flags_stats[i])
            "%4Z:%d\n", i, "ST_DOC_FLAGS", flags_stats[i];

    Free(cmd_stats);
    Free(flags_stats);
    PressAKey;
    '\n';
}

/*See TipOfDay.

Note: Not all CDocEntry's are full-sized nodes.
Some are MAlloced with a smaller size to save
mem.        They all have at least the size CDocEntryBase.

Note: CDocEntry's should be alloced from the
heap of the owning task, doc->mem_task.

The flag arrays doldoc.type_flags_form, etc
are useful.
*/

DocProfile("::/Doc/Welcome.DD", 0);
DocProfile("::/Doc/Welcome.DD", DOCF_PLAIN_TEXT);