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wed

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Wed is a schema-aware editor for XML documents.

github.com/mangalam-research/wed

mangalam-research/wed

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/** * Installs an ``onbeforeunload`` handler. * * @param win The window to install it on. * * @param A check to perform to verify whether prompting is necessary. If the * check returns ``false``, no prompting will occur. If unspecified, the prompt * will always be presented. * * @param Whether to force the installation even if a previous handler was * already installed. If ``force`` is ``false`` then if a handler was previously * installed **by this module** then an exception will be raised. If ``true`` * then the old handler will be overwritten. */ export declare function install(win: Window, check?: (() => boolean), force?: boolean): void;