'Xserver':ensure_x_server/2

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Predicate ensure_x_server/2

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prolog
- lib

ensure_x_server(+Display, +Depth): Ensure the existence of a graphics environment for XPCE. This library uses the `head-less' server Xvfb if there is no X-server in the environment.
Currently this library deals with Windows (where no explicit server is required) and Xfree using the Xfree socket naming conventions. Please send platform-specific code to info@swi-prolog.org