From c48cc90a7b2033ba41508d3d5c1b6b7a0792874c Mon Sep 17 00:00:00 2001
From: Ross Churchley <ross@rosschurchley.com>
Date: Thu, 25 Feb 2016 17:39:40 -0800
Subject: [PATCH] Ensure consistent line height

---
 source/beamerinnerthememetropolis.dtx | 5 +++++
 source/beamerouterthememetropolis.dtx | 6 ++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/source/beamerinnerthememetropolis.dtx b/source/beamerinnerthememetropolis.dtx
index c28040f..97119d0 100644
--- a/source/beamerinnerthememetropolis.dtx
+++ b/source/beamerinnerthememetropolis.dtx
@@ -328,6 +328,9 @@
 \newlength{\metropolis@blocktitleadjustleft}
 \newlength{\metropolis@blocktitleadjustright}
 \newlength{\metropolis@blockbodyadjust}
+\providecommand{\metropolis@strut}{%
+  \vphantom{ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz()}%
+}
 \newcommand{\metropolis@block}[1]{
   \par\vskip\medskipamount
 %    \end{macrocode}
@@ -366,7 +369,9 @@
     leftskip=\metropolis@blocktitleadjustleft,
     rightskip=\metropolis@blocktitleadjustright]{block title#1}
       \usebeamerfont*{block title#1}%
+      \metropolis@strut%
       \insertblocktitle%
+      \metropolis@strut%
   \end{beamercolorbox}%
   \nointerlineskip%
   \usebeamerfont{block body#1}%
diff --git a/source/beamerouterthememetropolis.dtx b/source/beamerouterthememetropolis.dtx
index 75dcaa0..0039dd5 100644
--- a/source/beamerouterthememetropolis.dtx
+++ b/source/beamerouterthememetropolis.dtx
@@ -148,7 +148,7 @@
 %    Templates for the frame title, which is optionally underlined with a
 %    progress bar.
 %    \begin{macrocode}
-\newcommand{\metropolis@frametitlestrut}{
+\providecommand{\metropolis@strut}{%
   \vphantom{ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz()}%
 }
 \defbeamertemplate{frametitle}{plain}{%
@@ -157,7 +157,9 @@
       wd=\paperwidth,%
       sep=1.5ex,%
     ]{frametitle}%
-  \metropolis@frametitlestrut\insertframetitle\metropolis@frametitlestrut%
+  \metropolis@strut%
+  \insertframetitle%
+  \metropolis@strut%
   \end{beamercolorbox}%
 }
 %    \end{macrocode}