case TAG_FONT_COLOR:
{
// RTF colors are 1-based; colors[] is a 0-based array.
if (t.param > colors.size())
if (t.param > colors.size() || t.param == 0)
break;
QColor &c = colors[t.param-1];
PrintUnquoted("<span style=\"color:#%02X%02X%02X\">", c.red(), c.green(), c.blue());
