requires is a keyword in C++2a

[lyx.git] / src / insets / RenderPreview.h

diff --git a/src/insets/RenderPreview.h b/src/insets/RenderPreview.h
index 2f83aff5dc17d2eea2b03dd4777d2ca9a33d9145..c6eee309d07016900ba0288f1e7084ed1b9757a6 100644 (file)
--- a/src/insets/RenderPreview.h
+++ b/src/insets/RenderPreview.h
@@ -45,7 +45,7 @@ public:
        /// Return true if preview is enabled in mathed (from LyXRC::preview)
        static bool previewMath();
 
-       RenderPreview(Inset const *);
+       explicit RenderPreview(Inset const *);
        RenderPreview(RenderPreview const &, Inset const *);
        RenderBase * clone(Inset const *) const;
 
@@ -110,7 +110,7 @@ private:
 
 class RenderMonitoredPreview : public RenderPreview {
 public:
-       RenderMonitoredPreview(Inset const *);
+       explicit RenderMonitoredPreview(Inset const *);
        ///
        void draw(PainterInfo & pi, int x, int y) const;
        ///