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-rw-r--r--maintainers/scripts/doc/unknown-code-language.lua12
1 files changed, 12 insertions, 0 deletions
diff --git a/maintainers/scripts/doc/unknown-code-language.lua b/maintainers/scripts/doc/unknown-code-language.lua
new file mode 100644
index 00000000000..85d8df4690b
--- /dev/null
+++ b/maintainers/scripts/doc/unknown-code-language.lua
@@ -0,0 +1,12 @@
+--[[
+Adds “unknown” class to CodeBlock AST nodes without any classes.
+
+This will cause Pandoc to use fenced code block, which we prefer.
+]]
+
+function CodeBlock(elem)
+  if #elem.classes == 0 then
+    elem.classes:insert('unknown')
+    return elem
+  end
+end