Re: Followup: Re: Releasing the Emacs guided tour into the public domain; also, video

2007/5/3, Stephen J. Turnbull <stephen(a)xemacs.org&gt; wrote: [snip] > (defcustom guided-tour-pdf-viewer "xpdf" > "Path to program able to view Portable Document Format documents. > Program is invoked in a shell, so PATH is searched." >:type '(choice string > (const "xpdf") > (const "gv") > (const "open" :doc "Useful on Mac OS X")) >:group 'guided-tour) Stephen, it was very kind of you to write this Lisp code. I have not tested it but it looks very cool. One thing: why not call the Linux program see(1) by default? It looks in the mailcap file to figure out what program to call.