Regarding that "own code reading"
how it is named in datasheet
look for "read flash" or "read program flash", there is no consistency i have ever found in how microchip assemble datasheet info

So I'm not asking for any direct-hardware-access methods. I just asked, whenever it is possible, using built-in abilities of PBP
and it is , i "fancied up" my code a bit and can change language with one var

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mikes suggestion would be useful to allow a common set of string messages to read into hef in chosen language from a
pg-flash coded larger multi-lingual data set.

its all doable