Re: Change bars

"William M. Perry" <>
To: (Jay C. Weber)
Subject: Re: Change bars 
In-reply-to: Your message of "Fri, 06 Aug 1993 10:23:57 PDT."
Date: Fri, 06 Aug 1993 12:51:36 -0500
Message-id: <>
From: "William M. Perry" <>
Status: RO
Thus wrote: 
>I don't know the data structures very well, but libWWW's Structured
>Streams could be a good place to start for such a canonical representation.
>Presumably SS's are series' of text blocks and tag structures, and the
>Diff operations can be standards text editing operations on text blocks
>and structure edits on tags.
>One tricky issue is how to refer to objects in a SS; I suppose we could
>refer to tag ids when possible but otherwise by ordinal position in the
>SS.  This would make use of the format somewhat brittle (tricky hand
>creation of Diffs!), and would work best when transparent to all users.

   Another problem with this is - what about the browsers/browser
writers that don't use the libWWW?  Why not use a context-style diff
but ignore differences in white-space?  Strip out spaces and tabs
(except in PRE and XMP, etc), and go from there?  (Should also remove
line breaks within <P></P> tags.

-Bill P.