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For examples of extensions using this hook, see Category:VisualEditorApiVisualEditorEditPreSave extensions . Category:Extension hooks#VisualEditorApiVisualEditorEditPreSave Category:Undocumented extension hooks#VisualEditorApiVisualEditorEditPreSave Category:Extension hooks provided by VisualEditor Category:Extension hooks#VisualEditorApiVisualEditorEditPreSave Category:Undocumented extension hooks#VisualEditorApiVisualEditorEditPreSave Category:Extension hooks provided by VisualEditor