ZI: image processing functions

For now it includes `imfill` and `bwlabeln`

funDef.txt

@@ -782,7 +782,15 @@ YI	3	4	3	4	1	1	1		true	true	true	true	str = {'distinct' 'sliding'};	rearrange ma
 													if isscalar(in{3}), in{3}(2) = numel(in{1})/in{3}; end
 													if prod(in{3})~=numel(in{1}), in{3} = round(in{3}*sqrt(numel(in{1})/prod(in{3}))); end
 													out{1} = col2im(in{:});
-ZI
+ZI	1	inf	2	3	1	inf	1		true	true	true	true	switch in{end}	image processing functions	Depending on numeric last input, calls an image processing function with the remaining inputs.  $0$: \matlab+imfill+. If first input is logical or numerical it is converted to char.  $1$: \matlab+bwlabeln+.
+													case 0
+													if islogical(in{1}) || ischar(in{1}), in{1} = double(in{1}); end
+													[out{:}] = imfill(in{1:end-1});
+													case 1
+													[out{:}] = bwlabeln(in{1:end-1});
+													otherwise
+													error('MATL:runtime', 'MATL run-time error: unrecognized last input');
+													end
 J	0	0	0		0	inf	numel(CB_J)		true	true	false	true	out = CB_J(1:nout);	paste from clipboard J	paste from clipboard J
 XJ	0	inf	1		0	0	0		false	true	false	true	CB_J = in;	copy to clipboard J	copy to clipboard J
 YJ

spec/funDefTable/funDefTable.tex

@@ -110,6 +110,7 @@
 \matl{I} & 0 & 0-- ($^\dagger$) & paste from clipboard I \\
 \matl{XI} & 0-- (1) & 0 & copy to clipboard I \\
 \matl{YI} & 3--4 (3 / 4) & 1 & \matlab+col2im+. Uses \matlab+'distinct'+ option by default. Second and third inputs may be scalars, and then they are interpreted as numbers of columns. Third input may be a two-vector with product less then the number of elements of first input, and then it is appropriately scaled. This function allows flag strings in fourth input to be replaced by numbers, as follows: 1: \matlab+'distinct'+, 2: \matlab+'sliding'+ \\
+\matl{ZI} & 1-- (2 / 3) & 1-- (1) & Depending on numeric last input, calls an image processing function with the remaining inputs.  $0$: \matlab+imfill+. If first input is logical or numerical it is converted to char.  $1$: \matlab+bwlabeln+. \\
 \matl{J} & 0 & 0-- ($^\dagger$) & paste from clipboard J \\
 \matl{XJ} & 0-- (1) & 0 & copy to clipboard J \\
 \matl{K} & 0 & 0-- ($^\dagger$) & paste from clipboard K \\