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;doc: json tweaks

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Simon Michael 2020-02-25 10:33:45 -08:00
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hledger/hledger.m4.md
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@ -806,14 +806,16 @@ Some notes about JSON output:
instead of FOO's full details. This should never happen in hledger's
JSON output; if you see otherwise, please report as a bug.
- Quantities are represented in hledger as Decimal values storing up
to 255 significant digits, eg for repeating decimals. This is too
many digits and too much hassle for most JSON users, so in JSON we
show simple Numbers with up to 10 decimal places. The number of
significant digits is still unbounded, but that part is under your
control. We hope this approach will not cause problems in practice;
if you find otherwise, please let us know. (Cf
[#1195](https://github.com/simonmichael/hledger/issues/1195))
- hledger represents quantities as Decimal values storing up to 255
significant digits, eg for repeating decimals. Such numbers can
arise in practice (from automatically-calculated transaction
prices), and would break most JSON consumers. So in JSON, we show
quantities as simple Numbers with at most 10 decimal places. We
don't limit the number of integer digits, but that part is under
your control.
We hope this approach will not cause problems in practice; if you
find otherwise, please let us know.
(Cf [#1195](https://github.com/simonmichael/hledger/issues/1195))
## Regular expressions