diff --git a/Readme.md b/Readme.md
index ac3604d..d37c881 100644
--- a/Readme.md
+++ b/Readme.md
@@ -20,4 +20,18 @@ It is recommended to name the file as `*.rs.djv`.
 |----------------:|------------:|
 | `<NAME>.rs.djv` | `<NAME>.rs` |
 |    `<NAME>.djv` | `<NAME>.rs` |
-|       `mod.djv` | `<NOTHING>` |
\ No newline at end of file
+|       `mod.djv` | `<NOTHING>` |
+
+# WhiteSpace and NewLine Control
+
+| Symbol | Control                                    |
+|:-------|:-------------------------------------------|
+| `<%`   | `<%=` if expression, `<%-` if statement    |
+| `<%=`  | Destroy nothing                            |
+| `<%_`  | Destroy `WS`, except `NL`                  |
+| `<%-`  | Destroy `WS` and recent `NL`               |
+| `<%~`  | Destroy `WS` and `NL` except farthest `NL` |
+| `<%+`  | Destroy `WS` and `NL`, all                 |
+
+
+