#72 v2 insert '0' @ position auto-adds a '.' @ end - why?

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ianaré
Rename (11)
5
2011-09-04
2011-09-04
Si Dedman
No

So i'm adding zeroes into files called:
jpg-1
jpg-9
jpg-10
jpg-99
jpg-100
etc

So i want to pad 1-9 with 2 zeroes and 10-99 with 1 zero. But doing so adds a period at the end, seemingly for no reason. Please can you try to replicate?

Thanks

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