Path: news.mathworks.com!not-for-mail
From: "Matthew Simoneau" <matthew@mathworks.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Web cam access in Matlab
Date: Wed, 22 Aug 2007 19:28:28 +0000 (UTC)
Organization: The MathWorks
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I took a quick look at URLREAD.  In R2007a, line 85 looks
like this:

  value = char(java.net.URLEncoder.encode(params{i+1}))

I think this is where your "=" is becoming "%3D".  This is
because these values are being passed as part of a form
submit, and not a header.

I think these threads will get you pointed in the right
direction:

http://www.mathworks.com/matlabcentral/newsreader/view_thread/81924
http://www.mathworks.com/matlabcentral/newsreader/view_thread/85012
http://www.mathworks.com/matlabcentral/newsreader/view_thread/52859