Recently a person asked on #gtk+ whether a chat program should use WebKit or GtkTextView to display the messages.
Some people (me included) immediately pointed out how rich and powerful WebKit is a messy and poorly-portable dependency. However, that got me thinking: if you do not actually need to render HTML/CSS (some chat protocols, for example, explicitly specify that messages are HTML-formatted and that CSS should be used to style them), what if you could have the application use TeX to format messages and use TeX to render a sequence of messages (chat) on screen (well, into a widget)? Is that even possible? Can one gradually extend TeX document by appending things to it, without re-rendering the whole thing from the beginning? Is it dangerous to feed XeTeX data received from untrusted third parties? -- O< ascii ribbon - stop html email! - www.asciiribbon.org
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