Add title-separator

It prevents `The Definitive Guide` from becoming the subtitle in Asciidoctor.
zhaofanfan2019 · Oct 21, 2019 · 0cfac10 · 0cfac10
1 parent a21b658
commit 0cfac10
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/book.asciidoc b/book.asciidoc
@@ -1,3 +1,4 @@
+:title-separator: |
 :bookseries: animal
 :es_build:   1
 :ref: https://www.elastic.co/guide/en/elasticsearch/reference/5.6