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	Do not consider a selection present if it is empty, from Michael Grant
(GitHub issue 3869). Also a typo fix from GitHub issue 3877.
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								screen.c
									
									
									
									
									
								
							@@ -384,7 +384,7 @@ screen_resize_y(struct screen *s, u_int sy, int eat_empty, u_int *cy)
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		/*
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		 * Try to pull as much as possible out of scrolled history, if
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		 * is is enabled.
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		 * it is enabled.
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		 */
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		available = gd->hscrolled;
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		if (gd->flags & GRID_HISTORY && available > 0) {
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@@ -795,16 +795,24 @@ window_copy_formats(struct window_mode_entry *wme, struct format_tree *ft)
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	format_add(ft, "copy_cursor_x", "%d", data->cx);
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	format_add(ft, "copy_cursor_y", "%d", data->cy);
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	format_add(ft, "selection_present", "%d", data->screen.sel != NULL);
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	if (data->screen.sel != NULL) {
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		format_add(ft, "selection_start_x", "%d", data->selx);
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		format_add(ft, "selection_start_y", "%d", data->sely);
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		format_add(ft, "selection_end_x", "%d", data->endselx);
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		format_add(ft, "selection_end_y", "%d", data->endsely);
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		format_add(ft, "selection_active", "%d",
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		    data->cursordrag != CURSORDRAG_NONE);
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	} else
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		format_add(ft, "selection_active", "%d", 0);
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		if (data->cursordrag != CURSORDRAG_NONE)
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			format_add(ft, "selection_active", "1");
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		else
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			format_add(ft, "selection_active", "0");
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		if (data->endselx != data->selx && data->endsely != data->sely)
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			format_add(ft, "selection_present", "1");
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		else
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			format_add(ft, "selection_present", "0");
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	} else {
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		format_add(ft, "selection_active", "0");
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		format_add(ft, "selection_present", "0");
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	}
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	format_add(ft, "search_present", "%d", data->searchmark != NULL);
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	format_add_cb(ft, "search_match", window_copy_search_match_cb);
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