Ensure that tex and name members are n*1 cells of row char arrays.

src/@dseries/rename_.m

@@ -54,7 +54,7 @@ else
 end
 
 if iscellstr(new)
-    o.name = new;
+    o.name = new(:);
 else
     o.name(idname) = {new};
 end
@@ -108,6 +108,8 @@ end
 %$
 %$ if t(1)
 %$     t(2) = dassert(ts.name, {'Dora', 'The', 'Explorer'});
+%$     t(3) = size(ts.name, 1)==3;
+%$     t(4) = size(ts.name, 2)==1;
 %$ end
 %$
 %$ T = all(t);

src/@dseries/tex_rename_.m

@@ -59,7 +59,7 @@ else
 end
 
 if iscellstr(newtexname)
-    o.tex = newtexname;
+    o.tex = newtexname(:);
 else
     o.tex(idname) = {newtexname};
 end
@@ -97,6 +97,8 @@ end
 %$
 %$ if t(1)
 %$     t(2) = dassert(ts.tex,{'Output','\\Delta Y_t','\\theta_{-1}'});
+%$     t(3) = size(ts.tex, 1)==3;
+%$     t(3) = size(ts.tex, 2)==1;
 %$ end
 %$
 %$ T = all(t);