On Wed, 2007-06-27 at 14:05 -0400, Chris Shoemaker wrote:
> On Wed, Jun 27, 2007 at 10:59:20AM -0700, Josh Triplett wrote:
> > +Do not leave trailing whitespace at the ends of lines. Some editors with
> > +"smart" indentation will insert whitespace at the beginning of new lines as
> > +appropriate, so you can start typing the next line of code right away.
> > +However, some such editors do not remove the whitespace if you end up not
> > +putting a line of code there, such as if you leave a blank line. As a result,
> > +you end up with lines containing trailing whitespace.
> > +
> > +Git will warn you about patches that introduce trailing whitespace, and can
> > +optionally strip the trailing whitespace for you; however, if applying a series
> > +of patches, this may make later patches in the series fail by changing their
> > +context lines.
>
> What I'd really like to see is, _why_ is trailing whitespace
> considered harmful? Something about MUAs not preserving it or
> something?
When the trailing whitespace later disappears, that change shows up in
diffs, and since you can't see the whitespace difference, it just looks
like a mysterious change until you check it more closely. It also
introduces gratuitous conflicts and other such annoyances.
- Josh Triplett
-
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