On Mon, 17 Sep 2001, Greg Hudson wrote:
> This last part seems a bit tricky to me; what if you are diffing an
> XML file? You can XML-quote the patch fragments, but standard patch
> presumably doesn't know anything about such quoting.
Right. Sometimes you fall back to the old svndiff format because
backwards-compatibility fails. This isn't the end of the world.
I expect that, even in XML documents with CDATA sections, the number of
changes which include the ]]> string will be small.
Basically, you give up backwards compatibility in some limited and
well-understood circumstances, but for the vast majority of cases you get
the best of both worlds. I think this is an acceptable tradeoff.
(And remember, you need only lose backwards-compatibilty *on the chunk
with the offending string*. Most of the patch will still be
human-readable.)
--s
Hawk Moscow General Rijndael Echelon Hussein South Africa NSA PLO
RNC Sabana Seca postcard domestic disruption SEAL Team 6 ammunition
( http://lesser-magoo.lcs.mit.edu/~cananian )
--
"These students are going to have to find out what law and order is
all about." -- Brig. General Robert Canterbury, Noon, May 4, 1970,
minutes before his troops shot 13 unarmed Kent State students, killing 4.
--
[http://www.cs.cmu.edu/~dst/DeCSS/Gallery/]
#!/usr/bin/perl -w
# 526-byte qrpff, Keith Winstein and Marc Horowitz <sipb-iap-dvd@mit.edu>
# MPEG 2 PS VOB file on stdin -> descrambled output on stdout
# arguments: title key bytes in least to most-significant order
$_='while(read+STDIN,$_,2048){$a=29;$c=142;if((@a=unx"C*",$_)[20]&48){$h=5;
$_=unxb24,join"",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
unxV,xb25,$_;$b=73;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=($t=255)&($d
>>12^$d>>4^$d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*8^$q<<6))<<9
,$_=(map{$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;$t
^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m&17)),$b^=$_%64?12:0,@z)[$_%8]}(16..271))
[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}print+x"C*",@a}';s/x/pack+/g;eval
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Received on Sat Oct 21 14:36:41 2006