public bool IsSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck)
{
char c = GetCurrentCharacter(current, cc, ck);
if (c <= ' ' || c == '-' || c == '\u2010') {
return true;
}
if (c < 0x2002)
return false;
return ((c >= 0x2002 && c <= 0x200b)
|| (c >= 0x2e80 && c < 0xd7a0)
|| (c >= 0xf900 && c < 0xfb00)
|| (c >= 0xfe30 && c < 0xfe50)
|| (c >= 0xff61 && c < 0xffa0));
}