internal static bool IsWhiteSpaceLatin1(byte c)
{
// SPACE
// U+0009 = <control> HORIZONTAL TAB
// U+000a = <control> LINE FEED
// U+000b = <control> VERTICAL TAB
// U+000c = <control> FORM FEED
// U+000d = <control> CARRIAGE RETURN
// U+0085 = <control> NEXT LINE
// U+00a0 = NO-BREAK SPACE
return c == ' ' || (c >= '\x0009' && c <= '\x000d') || c == '\x00a0' || c == '\x0085';
}