EQNFONT_NONE
if (cur->font == EQNFONT_NONE)
if (cur->font != EQNFONT_NONE || *p == '\0')
font = EQNFONT_NONE;
case EQNFONT_NONE:
if (bp->font != EQNFONT_NONE)
if (bp->font != EQNFONT_NONE)