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-rw-r--r--desktop/plotters.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/desktop/plotters.h b/desktop/plotters.h
index d610c7a62..27f270391 100644
--- a/desktop/plotters.h
+++ b/desktop/plotters.h
@@ -52,8 +52,9 @@ struct bitmap;
* text -
* bitmap -
* bitmap_tile -
- * group_start -
- * group_end -
+ * group_start - Start of a group of objects. Used when plotter implements
+ * export to a vector graphics file format. (Optional.)
+ * group_end - End of the most recently started group. (Optional.)
* flush -
*
* Coordinates are from top left and (0,0) is the top left grid denomination.