[bug #50151] [octave forge] (image) normxcorr2 is not compatible with Matlab

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Follow-up Comment #7, bug #50151 (group octave):=0A=0AA minor issue, may be=
 change:=0A=0Aif (nargin =3D=3D 3 && ! islogical (use_fft))=0A    error ("n=
ormxcorr2: third argument [use_fft] must be logical");=0A  end=0A=0Ato=0A=
=0A if (nargin =3D=3D 3 && (! islogical (use_fft) || ! isscalar (use_fft)))=
=0A    error ("normxcorr2: third argument [use_fft] must be a scalar logica=
l");=0A  end=0A=0A=0AOtherwise it would silently accept things like `normxc=
orr2 (T, I, [true=0Afalse])` with somewhat unexpected results. =0A=0ADmitri=
.=0A-- =0A=0A=0A=0A=0A    _________________________________________________=
______=0A=0AReply to this item at:=0A=0A  <https://savannah.gnu.org/bugs/?5=
0151>=0A=0A_______________________________________________=0AMessage sent v=
ia Savannah=0Ahttps://savannah.gnu.org/=0A
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