inc_func_common.asp
around line #378 find the following:
Case "display"
if strAllowHTML <> "1" then
fString = HTMLEncode(fString)
end if
if strBadWordFilter = "1" then
fString = ChkBadWords(fString)
end if
fString = replace(fString,"+","+")
chkString = fString
exit function
replace the red highlighted line of code with this: fString = replace(fString,"+","+")
fString = replace(fString, """", """)