[off-topic but fun][RFC] Bundles as repositories

[Vincent Ladeuil]

>>>>> "robert" == Robert Collins <robertc at robertcollins.net> writes:

    robert> On Mon, 2007-06-18 at 22:52 -0400, Aaron Bentley wrote:
    >> Robert Collins wrote:
    >> > On Fri, 2007-06-15 at 03:20 -0400, Aaron Bentley wrote:
    >> 


    >> > Checking of preludes is conceptually hard simply because of line
    >> > endings: email transmission will munge line endings and thus prelude
    >> > checking cannot be binary based; it has to do whitespace tolerant diffs
    >> > and other such complications.
    >> 
    >> I think it's conceptually quite simple.  It's like doing
    >> case-insensitive comparisons by turning both inputs into lowercase.
    >> 
    >> Do the absolute maximum damage that can be done to it via whitespace
    >> munging, then record the sha1 sum of the munged prelude.
    >> 
    >> Apply the same damage on the other side, and compare the resulting sha1.

    robert> I'll be interested to see if this works out in practice. Just hope noone
    robert> uses a whitespace only language through this :).

I know about a perl obfuscation module that uses the following trick: 
- encode the text as bits
- replace 0 by space 1 by tab
- leave \n as is (not sure about that one)

The result is viewed in most text editors as spaces only :-)

The first time I looked at such a result (not knowing the trick),
I went: huh ?

    Vincent