World Wide Web and Viola

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To: timbl@info.cern.ch, wei@xcf.berkeley.edu
Subject: World Wide Web and Viola
Cc: bloemer

...
1. Is it possible to define pseudo hyperlinks which start a subprocess?
That would be really phantastic because it allows for nice tutorials with
trial buttons. On xcf.berkely.edu I saw:


About XMap ... 

<P>
Click here for a demo.
<S>/*script*/
	if (accessible("/usr/users/ftp") != "") {
		print("doing /usr/users/ftp/ftp_public/misc/ht/projects/xmap/ultrix.ws.2.1 /usr/users/ftp/ftp_public/misc/ht/projects/xmap/sf_oak &amp \n");
/*		system("/usr/users/ftp/ftp_public/misc/ht/projects/xmap/ultrix.ws.2.1 /usr/users/ftp/ftp_public/misc/ht/projects/xmap/sf_oak &amp ");*/
	} else if (accessible("/map" != "")) {
		/* in case this is running in xcfdemo */
		print("doing /xmap/ultrix.ws.2.1 /xmap/sf_oak &amp \n");
/*		system("/xmap/ultrix.ws.2.1 /xmap/sf_oak &amp ");*/
	} else {
		/* can't guess where xmap executables might be */
		bell(); /* later, use dialogbox */
	}
</S>

Unfortunately it doesn't work, in Viola no button was shown.

...