Doc for #80

docs/readme.md

@@ -32,6 +32,7 @@ Documentation
 * [macro](./tags/macro.md) and `import` — template functions
 * [autoescape](./tags/autoescape.md) — escape template fragment
 * [raw](./tags/raw.md) — unescape template fragment
+* [unset](./tags/unset.md) — unset a given variables
 * or [add](./ext/extend.md#add-tags) yours
 
 

docs/tags/unset.md

@@ -0,0 +1,12 @@
+Tag {unset}
+===========
+
+Unset a given variables.
+
+```smarty
+
+{unset $a} unset single variable
+
+{unset $a $b $c.d.e} multiple unset
+
+```