update-index: do not die too early in a read-only repository.

diff --git a/Documentation/asciidoc.conf b/Documentation/asciidoc.conf
index 7ce71510de52805c2bfff59f4c13d8267b9e3f25..44b1ce4c6b56348e1661b60fc923cb80cb44d4ff 100644 (file)
--- a/Documentation/asciidoc.conf
+++ b/Documentation/asciidoc.conf
@@ -9,6 +9,9 @@
 
 [attributes]
 caret=^
+startsb=[
+endsb=]
+tilde=~
 
 ifdef::backend-docbook[]
 [gitlink-inlinemacro]