Ah yes, you are quite right - I looked at an old schematic and remembered that there's a little quirk (bug?) here.
There are a few odd combination of primitives where the Text->Array conversion doesn't work reliably - and this is one of them. You can usually force it to work in these situations by simply putting a normal text-box in between - it probably just does something to the invisible formatting characters that makes it work again.
Here's a simple example with save and load for the array.
Note that I have been a little lazy with the file dialogue, so you will have to type in the file extension (you can get the extension etc. to be automatic, but I don't remember the format of the control string off the top of my head).
Feel free to use any schematics and algorithms I post on the forum in your own designs - a credit is appreciated (but not a requirement).
Don't stagnate, mutate to create. Without randomness and serendipity the earth would be just another barren rock.