readme: add a note about UNIX paths

[Vitaliy Margolen]

Alexandre Julliard wrote:
> "Austin English" <austinenglish at gmail.com> writes:
> 
>> On Tue, Jan 6, 2009 at 9:07 PM, James Hawkins <truiken at gmail.com> wrote:
>>> On Tue, Jan 6, 2009 at 7:04 PM, Austin English <austinenglish at gmail.com> wrote:
>>>> Adds a note discouraging use of UNIX paths, since there's seems to
>>>> have been a rash of it in recent bug reports.
>>> If we don't recommend it, and usually advise against it, why not just
>>> remove that line from the README?
>> I sent a patch for that a while back, and it was not accepted. I'm
>> assuming Alexandre wants to keep it for some reason...
> 
> The problem is not Unix paths, it's usually that the app expects the
> current directory to be the app directory. You have the same issue if
> you use a Windows path. If there are really issues caused by argv[0]
> being a Unix path and not just the wrong directory that can be fixed.
> 
For years Borland been stating in their documents that argv[0] always
contains full path to the executable. And many programs written in Boarland
C++ / Delphi relay on that.

Vitaliy.