1 files changed, 12 insertions, 3 deletions

diff --git a/vis-core.h b/vis-core.h
index 6e601ab..82e684a 100644
--- a/vis-core.h
+++ b/vis-core.h
@@ -161,9 +161,18 @@ struct Win {
 	Mode *parent_mode;      /* mode which was active when showing the command prompt */
 	Win *prev, *next;       /* neighbouring windows */
 
-	/* Jumplist LRU */
-	size_t mark_set_lru_cursor;
-	Array  mark_set_lru[32];
+	/* NOTE: Selection Jump Cache
+	 * Anytime the selection jumps the previous set of selections gets
+	 * pushed into this cache. The user can navigate this cache to
+	 * restore old selections and they can save their own selection
+	 * sets into the cache.
+	 *
+	 * IMPORTANT: cursor is not kept in bounds. it is always used modulo VIS_MARK_SET_LRU_COUNT
+	 */
+	#define VIS_MARK_SET_LRU_COUNT (32)
+	size_t       mark_set_lru_cursor;
+	Array        mark_set_lru_regions[VIS_MARK_SET_LRU_COUNT];
+	enum VisMode mark_set_lru_modes[VIS_MARK_SET_LRU_COUNT];
 };
 
 struct Vis {