Am 17.10.2012 00:53, schrieb So8res:
Er, again, what's the deal with sts=-1 ?
sts=-1 would mean that sts takes on the same value as the shiftwidth.
This means you can change your shiftwidth and have the softtabstop
change automatically. I (and I imagine most users with sts on) want
the softtabstop to be one shiftwidth wide, but I often forget to
update it.
The most common use case is deleting multiple spaces at a time.
Imagine &sw=4 and &sts=4 and you have a file with 'expand' tab. You
'set sw=8'. Now when your cursor is sitting behind 16 spaces and you
hit backspace you expect 8 spaces to be deleted, but only 4 are
deleted because you forgot to update 'sts'. This is incredibly
annoying.
So is sw=-1 (not needed, for consistency).
sw=0 has a similar effect to sts=-1, i.e. sw=0 makes sw take on the
same value as tabstop. It's a bit strange to have one start falling
back on the '-1' value and the other on the '0' value, which is why I
put the second patch up; it makes sw behave a little more consistently
with sts. I'm not sure it's a good idea, but it's something to think
about.
There is another option, what about
ts=8
sts=4
sw=0
with effective shiftwidth = 4? I think 'shiftwidth' has a stronger
connection to 'softtabstop' than to 'tabstop' ... Is it useful to get
an effective shiftwidth of 8 in this case?
If not then negative values for sw / sts should be avoided.
But you have to change 'softtabstop' instead of 'shiftwidth'.
--
Andy
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