1 files changed, 9 insertions, 9 deletions
diff --git a/04/index.xml b/04/index.xml
index e6bb67f..53f70dc 100644
--- a/04/index.xml
+++ b/04/index.xml
@@ -1,21 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <?xml-stylesheet href="/page.xslt" type="text/xsl"?>
-<page prev="03" curr="04">
-  <post title="the not-so-hungry caterpillar">
+<page prev="03" curr="04" next="05">
+  <post title="the not-so-hungry caterpillar" lang="en">
     <picture filename="caterpillar-diagonal"
              desc="argynnis hyperbius larva in the grass"/>
     <picture filename="caterpillar-horizontal"
              desc="argynnis hyperbius larva in the grass"/>
     <time>2022-10-20T17:04:05Z</time>
   </post>
-  <post title="socialist ecology">
+  <post title="socialist ecology" lang="en">
     <picture filename="red-green-bg"
              desc="plant buds in front of red and greeen twigs"/>
     <picture filename="red-green-fg"
              desc="red and green twigs"/>
     <time>2022-10-28T12:10:46Z</time>
   </post>
-  <post title="web developers">
+  <post title="web developers" lang="en">
     <picture filename="spiders-1"
              desc="Jorō spiders, one female and two males"/>
     <picture filename="spiders-2"
@@ -24,16 +24,16 @@
              desc="Jorō spiders, one female and two males"/>
     <time>2022-11-02T15:49:52Z</time>
   </post>
-  <post title="thu cuối">
+  <post title="thu cuối" lang="vi">
     <picture filename="fall-ground"
-             desc="red and green leaves on the ground"/>
+             desc="cây non lùn tịt, quanh mấy lá đỏ đã rụng"/>
     <picture filename="fall-bridge"
-             desc="trees around the bridge with red and yellow leaves"/>
+             desc="cây bên cầu, một nửa lá đã ngả vàng"/>
     <picture filename="fall-park"
-             desc="trees with red, yellow and green leaves in the park"/>
+             desc="cây lá vàng, lá đỏ xen nhau với cây đã rụng lá trong vườn"/>
     <time>2022-11-07T11:48:08Z</time>
   </post>
-  <post title="harley quinn under spotlight">
+  <post title="harley quinn under spotlight" lang="en">
     <picture filename="ladybug-1"
              desc="harlequin ladybug in the dark lit by a light beam"/>
     <picture filename="ladybug-2"