The most common and most likely answer to this crossword clue is the 10 letter word ABSTRACTOR
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Buddy explains!
The straight part
We know that "He may produce shorter version" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case he may produce shorter version = abstractor.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ABSTRACTOR mean?
ABSTRACTOR noun- One who abstracts, or makes an abstract, as in records or documents.
- Someone that finds and summarizes information for legal or insurance work.
- An accounting clerk who records payroll deductions.
- A clerk of a certain title or grade in the British civil service.