I think this is the kind of thing you can use a filter for, or a function in the org-export-before-processing-hook to change the paths prior to export.
Arun Isaac writes: >> Out of curiosity, what kind of link are you using, that is dependant >> about context ? > > Actually, I don't need the context of the link in the org document. I > need some properties defined in the plist of the component in > org-publish-project-alist. So, I use the info communication channel to > access these properties. > > I maintain a few websites with org mode. When I publish an image link > with org, the exported HTML contains the full filesystem path of the > image. The page wouldn't work if I published it on the web. My link type > needs to know the path of the web server's docroot to remove that > component from the full filesystem path. This path is defined in one of > the properties in org-publish-project-alist, and I need the info > communication channel to access it. -- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu