Update publication date.

diff --git a/book.xml b/book.xml
index c11d3f71792684fd5a201023e6f6464afc6a681e..8d438041300aedf9e055d1f34041772157472996 100644 (file)
--- a/book.xml
+++ b/book.xml
@@ -11,7 +11,7 @@
 
  <abbrev></abbrev>
 
 
  <abbrev></abbrev>
 

- <pubdate>2020-08-17</pubdate>
+ <pubdate>2020-09-14</pubdate>

 
  <!-- edition>1</edition -->
 
 
  <!-- edition>1</edition -->