[isabelle-dev] HOL-Bali

Alexander Krauss krauss at in.tum.de
Fri Aug 14 12:58:46 CEST 2009

Lawrence Paulson wrote:
> This compares my local copy with my local repository, and I tried it 
> yesterday; it did not indicate any unexpected changes.

Then either your working directory was still OK at that point, or you 
had already committed a corrupted version locally, such that it has 
become a new revision. Then hg diff does not show anything, since you 
working directory is unchanged compared to that latest revision. (You 
can also compare to other revisions using the -r option).

If hg diff does not show anything, but you are sure that there is a 
change, then you use "hg annotate FILE" to find the changeset that last 
changed these lines.

> I went on the website to download the official copy of the file, and 
> indeed Emacs had erased lots of material. I have no idea why does this 
> or why these changes weren't visible yesterday.

No idea about emacs... But instead of downloading the file manually, you 
can take advantage of the fact that Mercurial has all history available 


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