Yes, a trillion thanks to Loge for suggesting the different colour idea [achieved by highlighting in this solvers's case, rather than rewriting the whole thing out for a third time].
Not so much a PDM as an Oh God, no, moment - but it certainly jumps out using that technique one you've done it.
I now understand the post from way, way, back about a ring with an inscription, and was delighted not to be revisiting Frodo again so soon.
Oh, and kudos [I guess] for the title.
Thanks, in a very painful way indeed, to Enigmatist and editors.