Case insensitive completion problems with cygwin

["John Cooper" <john.cooper@eu.citrix.com>]

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[I'm using zsh 4.3.2 on Windows 2003 with cygwin]

If I run `zsh -f' file completion works as expected in all the
following:

$ ls /c/<TAB>
$ ls /C/<TAB>
$ ls c:/<TAB>
$ ls C:/<TAB>

However, after running the following:
  zstyle ':completion:*' matcher-list 'm:{a-z}={A-Z}'
  autoload -U compinit
  compinit -C

$ ls /c/<TAB>   # fails - no completions are listed
$ ls /C/<TAB>   # works as expected
$ ls c:/<TAB>   # fails - no completions are listed
$ ls C:/<TAB>   # works as expected


I've found I can work around the problem by adding a '' to the above
matcher-list, namely:
  zstyle ':completion:*' matcher-list '' 'm:{a-z}={A-Z}'

However, this isn't really the behavior I'd like as the following will
no longer
automatically complete both uppercase and lowercase matches. So if I now
type
the following:
$ ls /c/p<TAB>

.. it will no longer list "/c/Program\ Files" as one of the completion
matches,
and I have to manually hit backspace and change to an uppercase "P".

So, if I revert to the original matcher-list and try messing with
fake-files:
  zstyle ':completion:*' matcher-list 'm:{a-z}={A-Z}'
  zstyle ':completion:*' fake-files '/:c g h l r w z'

.. I then get the desired behavior where the following lists all files
beginning with 'p' or 'P':
$ ls /c/p<TAB>

However, now the following no longer works:

$ ls c:/<TAB>  # fails - no completions are listed


Is there a way to get true case-insensitive completion working for both
/c/ and
c:/ as a prefix?

Thanks,

    --- John


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