Ezio Melotti added the comment:
> There is no promise of binary compatibility for pretty-printed data.
This was the reason that made me consider backporting this on the other
branches. After all I expect this feature to be used from the terminal, while
printing JSON in a human-friendly format and in other situations were trailing
spaces would have little or no importance.
OTOH people might be used pretty-printed JSON in tests to get a better a diff
for example, and changing that in a debug release might be annoying.
IOW the annoyance of having trailing spaces if it doesn't get fixed evens out
the annoyance of having a possibly unwanted change of behavior if it does get
Serhiy patches look good to me (modulo a couple of minor typos), so I will
probably apply them as soon as I get a chance.
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