compat/asciidoc.conf in asciidoctor-1.5.1 vs compat/asciidoc.conf in asciidoctor-1.5.2

@@ -8,18 +8,18 @@
 newline=\n
 
 [attributes]
 # make html5 the default html backend
 backend-alias-html=html5
-apostrophe='
 asterisk=*
 backtick=`
 brvbar=¦
 caret=^
 # plus introduced in AsciiDoc 8.6.9
 plus=+
-space=" "
+blank=
 tilde=~
+cpp=C++
 user-home={eval:os.path.expanduser('~')}
 vbar=|
 # NOTE use -a no-inline-literal to set compat-mode to default when using AsciiDoc Python
 ifndef::no-inline-literal[]
 compat-mode=legacy