From 51f9fd3a5f765e99c0e0da8b5d01ff73a2ed719f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sat, 25 May 2019 15:38:11 +0200
Subject: [PATCH] Math: clarifying comment for future self.

Reverted all of this and then spent hours rediscovering these errors.
---
 src/Magnum/Math/Angle.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Magnum/Math/Angle.h b/src/Magnum/Math/Angle.h
index c407f1680..caae46da0 100644
--- a/src/Magnum/Math/Angle.h
+++ b/src/Magnum/Math/Angle.h
@@ -103,6 +103,9 @@ template<class T> class Deg: public Unit<Deg, T> {
          *
          * Equivalent to @ref Deg(ZeroInitT).
          */
+        /* Needs to be Math::Deg here and in all other places because older
+           Clang and both MSVC 2015 and 2017 treat it as a template instantce
+           Deg<T> instead of a Deg template */
         constexpr /*implicit*/ Deg() noexcept: Unit<Math::Deg, T>{ZeroInit} {}
 
         /** @brief Construct a zero angle */