algorithm on comparing two html files

[ddd]

I am trying to build a diff tool that allows me to compare two HTML files. I
am looking for resources on how to achive this. The main problem is that I do
not want to simply highlight the line of code where the change happened, but
rather the word/text that changed.

Example say the html file contains a table with three cells/one row, and all
that changes between the two HTML files that I want to compare is the value
on the second cell. I need to be able to distinuish that thats what changed,
even if the actual html code was one single line. (basically comparing what
is being rendered displayed by the HTML renderer).

Any ideas suggestions on where I can start looking ?

thanks

[Cor Ligthert]

ddd,

I think that I would try this in the most simple way first.
Just comparing two strings in a loop character by character.

(And don't think about speed.

This goes for any HTML file in less time, than the processing time when you
move any window).

I hope this helps,

Cor

[_AnonCoward]

"ddd" <dd*@discussions.microsoft.com> wrote in message
news:75**********************************@microsof t.com...
: I am trying to build a diff tool that allows me to compare two HTML
files. I
: am looking for resources on how to achive this. The main problem is
that I do
: not want to simply highlight the line of code where the change
happened, but
: rather the word/text that changed.
:
: Example say the html file contains a table with three cells/one row,
and all
: that changes between the two HTML files that I want to compare is the
value
: on the second cell. I need to be able to distinuish that thats what
changed,
: even if the actual html code was one single line. (basically comparing
what
: is being rendered displayed by the HTML renderer).
:
: Any ideas suggestions on where I can start looking ?
:
: thanks
If the two html files are identical in structure (differing the content
of various elements only ) and if two html files are valid XML (e.g.:
<br /> instead of <br>), they you can treat them as two xml files and
compare them accordingly.

Ralf