bowdlerization_levelWhat it does:
Returns bowdlerization mask for site, if ANDed with a word's mask and result is non-zero, replace with something innocuousDefined in: /web/philip/tcl/ad-content-tagging.tcl
Source code:
    set bowdlerization_level 0
    if {[ad_parameter XBowdlerizeP content-tagging]} {
	incr bowdlerization_level 4
    }
    if {[ad_parameter RBowdlerizeP content-tagging]} {
	incr bowdlerization_level 2
    }
    if {[ad_parameter PGBowdlerizeP content-tagging]} {
	incr bowdlerization_level 1
    }
    return $bowdlerization_level