[MERGE] alias to respect spaces in quoted arguments (version 3)

[Aaron Bentley]

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Marius Kruger wrote:
> thanks, for the vote and the merge.
> sorry about the whitespace (my editor removes it automatically),
> I would have reverted that, but I remembered something on the mailinglist
> about removing all the trailing whitespace, so I removed them.
> I tried to see if you fixed this, but it looks like you forgot.

Well, I did miss some, but I fixed a bunch of them, like the ones in
commands.py, where you changed lines from "   " to "".

> 1.) Can we add something to the branch to specify that for certain or
> all files we should
>   a.) automatially remove trailing whitespace or
>   b.) refuse to commit it.

Usually we add test cases for issues like this.  That would suit me fine.

> 2.) Annotate should be able to cope with this. mabye add an option to
> ignore whitespace changes.

No, not without being orders of magnitude slower.  Annotate relies on
the fact that knits are a delta-based format whose snapshots are annotated.

For storage purposes, knit deltas must be whitespace-sensitive.

Which means that if annotate is to be whitespace-insensitive, it must
regenerate the annotations from scratch.  That's painfully slow.  I
wrote the original annotate, before we had a delta-based storage format,
so I know how slow it is.

Aaron
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