Ah -- I had to ask, as I've never seen text mirrored or up-side down in AC. It has to do with the Objects script, then -- it needs to be written to place the text upright and not-mirrored if the Object is rotated and/or mirrored. Are you familiar with GDL?
MacBook Pro Apple M2 Max, 96 GB of RAM
AC27 US (5003) on Mac OS Ventura 13.6.2
Started on AC4.0 in 91/92/93; full-time user since AC8.1 in 2004