Multidimensional array definition in composite type appears parsed as string

Hi -

I am trying to declare an array of the following compound type:
CREATE TYPE myschema.mytype AS (
sometext text,
onedimarray text[],
multidimarray text[][]
);

The current assignment occurs as follows:
myvar myschema.mytype[] := ARRAY[

ROW('textaa',ARRAY['textab'],ARRAY[ARRAY['textac1','textac2']])::myschema.mytype,

ROW('textba',ARRAY['textbb'],ARRAY[ARRAY['textbc1','textbc2']])::myschema.mytype
];

However, each multidimarray in the assignment appears as a string on the
output from the following statement (declared within a pgSQL function):
statement: RAISE INFO '%',myvar;
outputt: INFO:
{"(textaa,{textab},\"{{textac1,textac2}}\")","(textba,{textbb},\"{{textbc1,textbc2}}\")"}

I believe that I would have expected the following output from the RAISE
INFO statement:
INFO:
{"(textaa,{textab},{{textac1,textac2}})","(textba,{textbb},{{textbc1,textbc2}})"}

I have attempted different explicit typecasts and syntax and have also tried
adding additional elements to the arrays to see if a one-element array was
the cause. So far, I have not been able to access the multidimensional array
in the composite type as an array (though I can perform string functions).
No issues were noted with the one-dimensional array. I would like to retain
a clean definition of the assignment as this variable provides a single
place for programmers to define meta-data used in subsequent dynamic SQL
calls.

Subsequent code attempts to access the multidimensional array elements using
(i,j, and k are iterators):
(myvar[i]).multidimarray[j][k];

How should I amend the assignment syntax so that subsequent code will
recognize the multidimensional arrays?

Thanks for the help.
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