From 56cee872e8716bc2b697aa346f88bfe511c0c48f Mon Sep 17 00:00:00 2001
From: Jacob Wahlgren <jacob.wahlgren@gmail.com>
Date: Thu, 12 Oct 2017 21:50:33 +0200
Subject: [PATCH] Box Handlebars template error

See https://github.com/azerupi/mdBook/pull/466#issuecomment-335450110
---
 src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 247d6346..cec4617d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -105,7 +105,7 @@ pub mod errors {
         foreign_links {
             Io(::std::io::Error);
             HandlebarsRender(::handlebars::RenderError);
-            HandlebarsTemplate(::handlebars::TemplateError);
+            HandlebarsTemplate(Box<::handlebars::TemplateError>);
             Utf8(::std::string::FromUtf8Error);
         }
 
@@ -116,4 +116,11 @@ pub mod errors {
             }
         }
     }
+
+    // Box to halve the size of Error
+    impl From<::handlebars::TemplateError> for Error {
+        fn from(e: ::handlebars::TemplateError) -> Error {
+            From::from(Box::new(e))
+        }
+    }
 }