MSAVED
if (mp->m_flag & MSAVED)
if ((mp->m_flag & (MDELETED|MSAVED)) == 0)
mp->m_flag |= MSAVED;
mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX);
mp->m_flag &= ~MSAVED; /* should probably turn off more */
#define MMNORM (MDELETED|MSAVED) /* Look at both save and delete bits */
if (mp->m_flag & MSAVED)
nohold = MBOXED|MBOX|MSAVED|MDELETED|MPRESERVE;
nohold &= ~MSAVED;