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Re: lynx-dev Lynx & tables

From: Eduardo Chappa
Subject: Re: lynx-dev Lynx & tables
Date: Thu, 4 Jan 2001 17:38:25 -0800 (PST)

*** Thomas Dickey (address@hidden) wrote in the Lynx list on Jan...:

:) On Wed, Jan 03, 2001 at 03:27:23PM -0500, Philip Webb wrote:
:) > the big, big problem is JS, which is taking over like creeping ivy:
:) > at least, couldn't we get Lynx to extract URLs from JS & show them as 
:) I don't think so.  What would be doable (I think) would be to interpret a
:) subset of JS (the parts that generate html on the fly).

I have been looking at the problem since some time ago, you can make easy
subsitution when you have urls of the form

  '' + tail

where tail is some variable, I think this is easy to support but it's too
restricted to call it a contribution to anything.

  The problem is that Javascript is a programming language, you need to
support expressions like

  if (this condition) then
     variable ='http://this.address'+info+'.html', etc, etc)
     variable ='http://other.address', etc, etc)

and so on. A job like this requires that you have a way to get values of
JS variables from the document itself, for example, when doing forms, so
you need to consider that this means that a lot of new functions must be
added to the library. You would need to keep the document in memory (or on
file), is this already done? I believe that you can get relatively good
success if you get a good way to parse documents that contain expressions
like above and ignore what really does not apply to lynx.


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