IE 6.0.2800.1106:

Cookie: a=hello; e="hello"; f=hello; g="hello; h=bat; i=moo@foo:blah?moar\ text; j="hello, this is a test of whitespace handling; k="hello; l="hello%0D%0A"; m="let's see if LWS handling works; n='foo"'; o=it's a joke; p=it's a bit more of a joke; q='hello; r=foo; s="blah blah blah; t="moose; u=blah"foo"bar"baz"; v="blah"

IE 7.0.5730.11:

Cookie: a=hello; c="hello; e="hello"; f=hello; g="hello; h=bat; i=moo@foo:blah?moar\ text; j="hello, this is a test of whitespace handling; k="hello; l="hello%0D%0A"; m="let's see if LWS handling works; n='foo"'; o=it's a joke; p=it's a bit more of a joke; q='hello; r=foo; s="blah blah blah; t="moose; u=blah"foo"bar"baz"; v="blah"

Safari 3.0.4:

Cookie: a=hello; c="hello; bar=bat; e="hello"; f=hello; g="hello; h=bat; i=moo@foo:blah?moar\ text; k="hello; l="hello%0D%0A"; m="let's see if LWS handling works a bit more"; n='foo"'; o=it's a joke; p=it's a bit more of a joke; q='hello; r=foo; s="blah blah blah; t="moose; u=blah"foo"bar"baz"; v="blah"

Opera 9.2.5: 

Cookie: c="hello;"; e="hello"; f=hello; g="hello;, 	"; h=bat; i=moo@foo:blah?moar\ text; k="hello;"; l="hello%0D%0A"; m="let's see if LWS handling works a bit more"; n='foo"'; o=it's a joke; p=it's a bit more of a joke; q='hello; r=foo; u=blah"foo"bar"baz"; v="blah"; b=hello; d="hello=foo\\bar\"; a=hello

Firefox 2.0.0.11:

Cookie: a=hello; c="hello;"; e="hello"; f=hello; g="hello;, 	"; h=bat; i=moo@foo:blah?moar\ text; j=; "; k="hello;"; l="hello%0D%0A"; m="let's see if LWS handling works a bit more"; n='foo"'; o=it's a joke; p=it's a bit more of a joke; q='hello; r=foo; s=; t=; u=blah"foo"bar"baz"; v="blah"; b=hello; d="hello=foo\\bar\";moose\" end"

NetSurf 2.0 (r3709):

Cookie: c="hello;"; bar=bat; e="hello"; f=hello; g="hello;,     "; h=bat; i=moo@foo:blah?moar\ text; j="hello, this is a test of whitespace handling"; k="hello;"; l="hello%0D%0A"; m="let's see if LWS handling works; n='foo"'; o=it's a joke; p=it's a bit more of a joke; q='hello; r=foo; s=; t=; u=blah"foo"bar"baz"; v="blah"; b=hello; d="hello=foo\\bar\";moose\" end"; a=hello