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Date: Mon, 06 Apr 2009 12:42:19 +0100
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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Subject: Re: Reverting from 1.7.0-45 [was Re: [1.7]: For the love of god,  	don't  update!]
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Corinna Vinschen wrote:

> This happens if the symlink has been created with Cygwin 1.7.0-45
> and you revert back to 1.7.0-44 or earlier.

  Yeh, it all went quiet for a while while I've been re-reading the recent
release announcements.  Thanks for the pointers.

> I explained what I did to new symlinks in
> http://cygwin.com/1.7/cygwin-ug-net/highlights.html#ov-hi-files,
> 9th paragraph:
> 
>   Starting with Cygwin 1.7, symbolic links are using UTF-16 to encode
>   the filename of the target file, 

> I hope it's clear what the advantage is.  The disadvantage is also
> clear, as you just found out.
> 
> Of course, what we could do is to store symlinks in UTF-8.

  Yeh, I understand.  I certainly wouldn't suggest making it the least bit
less efficient or backward compatible just in order to ease something as
infrequent as downgrading across an abi break.

  The thing I haven't yet established (and don't really want to have to get
sidetracked onto right now because I have other hippos to fry) is whether the
new unicode and locale support is having some odd knock-on effect on m4
processing, or whether I've run into something /else/ (and had a hard time
seeing the wood for the i18n trees).  I'm trying not to fall into the trap of
assuming that "whatever just changed" will be the source of the problems I ran
into.

    cheers,
      DaveK

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