INI value with trailing slash causes bugs

[wxiaoguang]

eg:

[foo]
key = C:\
xxx = yyy

The current code reads: key = C:\xxx = yyy and can't read xxx

[silverwind]

\ at end of line is common on unix shells for line continuation. I'd argue we should encourage quoting all strings anyways. OTOH, I don't see a valid use case for such line continuation in the configs either, so could drop it.

[wxiaoguang]

The problem is , ini package doesn't encode the \ when writing.

So, in code we SetValue("E:\\"), but we can not read the correct value next time. That's why it is a bug.

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And I would also agree to drop the especial \ handling rule for ini reading.