Nicholas Nethercote writes:

> We've had some recent discussions about code style. I have a propasal

I'm sceptical about the value of such changes out-weighing the
cost here.  I know there will be a cost now and in the future, but
I don't recall seeing any entire files so badly formatted that it
took me more time to understand the code.  If there are any styles
in use that really do make the code harder to read then I would
support modifications to improve readability of that particular code.

However, if the differences are costing more than the costs of
changing, and this proposal goes ahead, can we try to limit the
cost of changing, please?

It's already been mentioned that some blame tools can already
handle whitespace changes.  Similarly some patch tools can handle
whitespace changes.  These features could help with the cost of
merging outstanding and in-progress patches if the kind of style
changes are limited appropriately.  This would require that

1. Mass style changes consist only of changing sequences of one or
   more blanks to another sequence of one or more blanks.

2. No code is moved to a different line.  This actually follows
   from 1, but is worth calling out separately because moving code
   around would cause the biggest problems.

That might seem like a small subset of the differences in style,
but indentation differences are probably the biggest cost of moving
code from a file of one style to a file of another.
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