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Dale Dougherty's Weblog |
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Pei Wei to Marc Andreessen -- 02/03/93Posted by Dale Dougherty, 3/30/00 at 4:43:29 PM.A mail message from Pei Wei to Marc Andreessen updating him on new features in Viola, including the embedded object
Date: Mon, 8 Feb 93 17:23:34 -0800 > So what does the new Viola have in it?? Huh huh? Gotta keep up on > the competition... :-) > > MarcHello, Marc. Well, the new violaWWW will support SGML documents. It does one particular DTD now (mine:-), but it's designed to be extensible to other DTDs. So, when the WWW DTD is stablized, I'll add it... Unlike the old HTML widget, the new "widget" can embed bitmaps and viola objects into the document page... The old HTML widget hasn't changed much, so old HTML will continue to work. I'm looking to make a GIF widget (or something more compact than XBM/XPM -- got any suggestions?). I'd eventually like to add graphic widgets such as gplot et al, but this is low priority for us (ORA), and I imagine a higher priority for you (NCSA). We're concentrating on text for now. A significant new capability is to be able to embed any viola objects inside a document. Indeed, an viola application can be considered as a WWW "document". This means that a document can have mucho GUIs in it (ie: entry forms, interactive tutorial GUIs, scripts, etc). Until some common SGML-based GUI DTD (ick!) comes out, using this capability can introduce quite a bit of violaism. But this is no worse than using, say, TeX with the WWW. And it'd make it possible for documents to be very programably interactive (yes, there's a security issue, but I'm going to assume people are nice :-). BTW, if you're interested, it's a possibility that I will make viola into a library, and into a widget to stick into XMosaic. I noticed that my boss, Dale Dougherty, had wasted no time in passing this idea to you some time ago. We're trying to cooperate with others as much as possible and practically.
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