Tests whether a character is a punctuation mark.

///////////////////////////////////////////////////////////////////////////
//  Copyright (C) Wizardry and Steamworks 2014 - License: GNU GPLv3      //
///////////////////////////////////////////////////////////////////////////
integer wasIsPunct(string a) {
    if(a == "") return FALSE;
    integer x = llBase64ToInteger("AAAA" + 
        llStringToBase64(llGetSubString(a, 0, 0)));
    return (x >= 33 && x <= 47) || (x >=58 && x<= 64) ||
        (x >= 91 && x<= 96) || (x >=123 && x <= 126);
}