When the option to check the spelling of all uppercase strings is on, (inflected) names are flagged as misspelled, where as the same string in regular / lexical case is not flagged:
regular case vs all-upper: see Kautokeino
inflected vs base form: OSLO vs most others - but KAUTOKEINO is also a base form, so the pattern is not fully consistent
names vs non-names: ráidočiekčan vs RÁIDOČIEKČAN vs KAUTOKEINO - only the last one is flagged
Further, when introducing a misspelling in one of the all-upper names, the correct form is suggested, but when inserted, it is still flagged as misspelled:
That is, it rejects its own suggestions in these cases.
When the option to check the spelling of all uppercase strings is on, (inflected) names are flagged as misspelled, where as the same string in regular / lexical case is not flagged:
Further, when introducing a misspelling in one of the all-upper names, the correct form is suggested, but when inserted, it is still flagged as misspelled:
That is, it rejects its own suggestions in these cases.