[ nedit-Bugs-1616278 ] Windows/Cygwin file name compatibility

[Joerg Fischer]

> Actually, if you use Windows with nedit, this can be a real pain. Edit
> something in nedit, compile it in Visual Studio, copy the error message
> back into nedit to use a macro to jump to the lines in error... Well thank
> you Microsoft: all paths in the error messages are set to lower case: you
> can open them, but if already opened, this won't be recognised and you end
> up with the same file opened twice in two different, independent text
> buffers. It also pollutes the "Open previous" file history with duplicates
> different only in case.

This isn't restricted to Visual Studio only.  I had the problem with
my TeX environment, where one can click in the preview window to go
to the respective part of the source text (to be opened with nedit, then).  
Similar problem there. 

Perhaps you can solve your problem by adapting the macro to do a
case insensitive search over all file names currently open before
opening the file in question.

Cheers,
Jörg