New answers tagged voice-dictation
I know you said you already tried restarting, but here are some specific steps, in a specific order, for you to try. Try turning off dictation. Quit TextEdit. Restart your computer. Then turning dictation back on. Let us know if that helped.
iOS Dictation does not have the same voice actions as OS X, and is missing quite a few 'commands' such as the one you mention. Generally iOS Dictation is purely meant to transcribe the words you say and there's even very limited input for punctuation compared to OS X.
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