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-rw-r--r--doc/lua_api.txt7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 4b5f969d3..e8e74f674 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -2107,7 +2107,9 @@ and `minetest.auth_reload` call the authetification handler.
* `max_drop`: maximum height difference to consider droppable
* `algorithm`: One of `"A*_noprefetch"` (default), `"A*"`, `"Dijkstra"`
* `minetest.spawn_tree (pos, {treedef})`
- * spawns L-System tree at given `pos` with definition in `treedef` table
+ * spawns L-system tree at given `pos` with definition in `treedef` table
+ * Warning: L-system generation currently creates lighting bugs in the form of mapblock-sized shadows.
+ Often these bugs appear as subtle shadows in water.
* `minetest.transforming_liquid_add(pos)`
* add node to liquid update queue
* `minetest.get_node_max_level(pos)`
@@ -3196,6 +3198,9 @@ Registered entities
L-system trees
--------------
+**Warning**
+L-system generation currently creates lighting bugs in the form of mapblock-sized shadows.
+Often these bugs appear as subtle shadows in water.
### Tree definition