[issue16333] Trailing whitespace in json dump when using indent

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Here is a patch which adds a suggestion to use appropriate separators with indent. It also use they in Lib/json/tool.py.

I suggest this patch only for old Python, up to 3.3. For 3.4 this is not needed if my previous suggestion will be accepted.

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Added file: http://bugs.python.org/file28148/json_indent_separators_suggestion.patch

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