doc: disable default code formatting for code blocks

Code blocks were by default being highlighted as Python, but
for Suricata-Update most code blocks are command lines, so
disable language highlighting by default.

diff --git a/doc/conf.py b/doc/conf.py
index c6e9a75375b51a750e7aba1843c28c1acc94635d..b779bc9e095601e8b6f1e8b13be21c745eda14a3 100644 (file)
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -243,3 +243,5 @@ texinfo_documents = [
 
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
 #texinfo_show_urls = 'footnote'
+
+highlight_language = "none"