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Practical Programming in Tcl & Tk, Third Edition by Brent B. Welch

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Chapter 20. Safe-Tk and the Browser Plugin

This chapter describes Safe-Tk that lets untrusted scripts display and manipulate graphical user interfaces. The main application of Safe-Tk is the Tcl/Tk plugin for Web browsers like Netscape Navigator and Internet Explorer.

Safe-Tk supports network applets that display user interfaces. The main vehicle for Safe-Tk is a plugin for Netscape Navigator and Internet Explorer. The plugin supports Tcl applets, or Tclets, that are downloaded from the Web server and execute inside a window in a Web browser. For the most part Tcl/Tk applications can run unchanged in the plugin. However, security policies place some restrictions on Tclets. The plugin supports multiple security policies, so Tclets can do a variety ...

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