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-rw-r--r--lib/extensions/lang_attribute_processor.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/extensions/lang_attribute_processor.rb b/lib/extensions/lang_attribute_processor.rb
new file mode 100644
index 0000000..65511bc
--- /dev/null
+++ b/lib/extensions/lang_attribute_processor.rb
@@ -0,0 +1,9 @@
+module Nuldoc
+ module Extensions
+ class LangAttributeProcessor < Asciidoctor::Extensions::TreeProcessor
+ def process(doc)
+ doc.attributes['lang'] ||= 'ja-JP'
+ end
+ end
+ end
+end