Re: vimdiff case insensitive

2014-07-03 11:40 GMT+0200, Christian Brabandt <cblists@256bit.org>:
> Am 2014-07-03 11:18, schrieb marco restelli:
>> 2014-07-03 11:08 GMT+0200, marco restelli <mrestelli@gmail.com>:
>>> 2014-07-03 10:58 GMT+0200, marco restelli <mrestelli@gmail.com>:
>>>> Hi all,
>>>> this seems a simple question but I can not find any reference: is
>>>> it possible to have a case insensitive comparison with vimdiff?
>>>
>>> OK, I think it is
>>>
>>> set diffopt+=icase
>>
>> Sorry for keeping replying to my own thread, but now there is another
>> detail that I don't understand. Consider the following example, having
>> set diffopt=filler,icase:
>>
>> 1) if I have two buffers with one line each:
>> buffer 1 -> abc this IS a TEST
>> buffer 2 -> this IS a TEST
>>
>> the characters abc in buffer 1 are highlighted (this is what I would
>> expect)
>>
>> 2) same two buffers, with
>> buffer 1 -> abc this IS a TEST
>> buffer 2 -> this is a test
>>
>> now the complete lines are highlighted in both buffers, while I would
>> like to have highlighted only abc, as in the first case.
>>
>> Is it possible to have 2) behave exactly like 1), highlighting only
>> abs, regardless of the case of the remaining words?
>
> This is probably caused by the diff command detecting it as 1 deleted
> line
> and 1 added line instead of 1 changed line.
>
> I don't think, there is much Vim can do here.

OK, thank you Christian, then I think the best solution is to copy the
two files, pass both of them to lowercase with u in visual mode and
use the standard diff.

Marco

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