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-rw-r--r--src/subtitle_asset.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/subtitle_asset.h b/src/subtitle_asset.h
index 012050b1..28db9574 100644
--- a/src/subtitle_asset.h
+++ b/src/subtitle_asset.h
@@ -135,7 +135,7 @@ public:
virtual SubtitleStandard subtitle_standard() const = 0;
- static std::string format_xml (xmlpp::Document const& document, std::vector<std::pair<std::string, std::string>> const& namespaces);
+ static std::string format_xml(xmlpp::Document const& document, boost::optional<std::pair<std::string, std::string>> xml_namespace);
protected:
friend struct ::interop_dcp_font_test;