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One of the things I do before running a module on a live site is to check that there are no 'http' links buried in the code that the developer may have used in testing but forgot to remove.
InfoRapid is excellent for this, but if you search for 'http://' it will also find the links to xoops.org in the GPL copyright notices.
To exclude this address from the search, you can use the expression:
Search for: http://www.&!xoops.org
In Files: *.*
InfoRapid will even find links hidden in .GIF files, like the one embedded in the animated 'arrow' icon common in many older modules. It's just a backlink to the GIF creator software company, but it is hidden none the less.
If you want to get rid of it you'll need a HEX editor.
HXD seems pretty easy to use. Open the file, select the offending code in the right hand panel, choose 'Edit/Fill Selection' and press 'OK' in the next screen to overwrite the selected text with '00's.
HxD automatically creates a backup of the original file, just in case you mess it up.
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