[softwarelist] Abbreviation expansion

Forgive me my ageing memory:-

I feel fairly sure I used to use such a feature when writing school
reports. H expanded to handwriting and p to punctuation. It was
very useful. Now I can't find it in the index to the printed manual,
nor anywhere else (BTW, why is Help permanenly greyed out?)

Am I perhaps remembering a feature of Impression, which I used
to use? If so, how would one get Ovation to do it?

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