RE: 23.0.60; OSX: Case insensitive file name completion

[Drew Adams]

> > PDF files (*.pdf) are no longer ignored files for 
> >  (variable `completion-ignored-extensions'), by default.
> 
> This is true, but the problem is independent. When I create:
> 
>    ~/t/T1.txt
>    ~/t/t2.txt
> 
> and then do C-x C-f ~/t/T TAB, Emacs 22.2 completes to 
> "~/t/T1.txt", but
> the latest CVS displays T1.txt and t2.txt as possible completions.

I see. Perhaps they changed the default treatment of case on your platform.
Dunno. You might also check the value of
`read-file-name-completion-ignore-case', which you can customize.