diff --git a/ui/integration.cpp b/ui/integration.cpp
index b2bb3bf..ae49b3e 100644
--- a/ui/integration.cpp
+++ b/ui/integration.cpp
@@ -42,6 +42,10 @@ void Integration::startFontsBegin() {
 void Integration::startFontsEnd() {
 }
 
+QString Integration::timeFormat() {
+	return u"hh:mm"_q;
+}
+
 std::shared_ptr<ClickHandler> Integration::createLinkHandler(
 		const EntityLinkData &data,
 		const std::any &context) {
diff --git a/ui/integration.h b/ui/integration.h
index 67fc358..0ae8343 100644
--- a/ui/integration.h
+++ b/ui/integration.h
@@ -44,6 +44,8 @@ public:
 	virtual void startFontsBegin();
 	virtual void startFontsEnd();
 
+	[[nodiscard]] virtual QString timeFormat();
+
 	[[nodiscard]] virtual std::shared_ptr<ClickHandler> createLinkHandler(
 		const EntityLinkData &data,
 		const std::any &context);
diff --git a/ui/text/text_entity.h b/ui/text/text_entity.h
index 8003626..83f4384 100644
--- a/ui/text/text_entity.h
+++ b/ui/text/text_entity.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "base/basic_types.h"
+#include "base/algorithm.h"
 
 #include <QtCore/QList>
 #include <QtCore/QVector>