perhaps, but in it i detect a New Yorker magazine-style use of the dieresis to separate vowels into syllables that a reader might be inclined to pronouce together as a single sound, e.g.: reëlect for re-elect.
This is the correct interpretation. But it is actually slightly nuanced; I'm such a bad speller that, even as a native English speaking adult of 30 something, I had to look up no one. Wiktionary has noöne as an "alternative spelling" and I do like The New Yorker...