About the NSSafeJoint flag

Using latest lame trunk, I encoded a high bitrate stereo source with "-q 0 -m s -b 320" and a high 
bitrate mono source with "-q 0 -m m -b 160" and the lame tag still reports usage of the nssafejoint 
feature (I already reported this in https://sourceforge.net/p/lame/mailman/message/35659838/ )

So, is this normal?

If it isn't, then may the patch I suggested here 
https://sourceforge.net/p/lame/mailman/message/35660533/
(and then added in a better version into my github lame repository)
still be useful perhaps?

Elio


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