private static bool IsTerminal(int ch)
{
return ch == 0x2E /* . */ ||
ch == 0x7B /* { */ ||
ch == 0x7D /* } */ ||
ch == 0x5B /* [ */ ||
ch == 0x5D /* ] */ ||
ch == 0x28 /* ( */ ||
ch == 0x29 /* ) */ ||
ch == 0x7C /* | */ ||
ch == 0x27 /* ' */ ||
ch == 0x22 /* " */ ||
ch == 0x5C /* \ */;
}