From 8d78d09086e33209589644ad2eb9b55118506a79 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jon=20Haitz=20Legarreta=20Gorro=C3=B1o?=
 <jon.haitz.legarreta@gmail.com>
Date: Wed, 30 Mar 2022 20:28:07 -0400
Subject: [PATCH] STYLE: Allow a whitespace after variable in warning macro
 message

Allow a whitespace between the variable and the remaining sentence part
in exception macro message.
---
 .../include/itkDiffusionTensor3DReconstructionImageFilter.h     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/Filtering/DiffusionTensorImage/include/itkDiffusionTensor3DReconstructionImageFilter.h b/Modules/Filtering/DiffusionTensorImage/include/itkDiffusionTensor3DReconstructionImageFilter.h
index bb985b355e0..e222901550e 100644
--- a/Modules/Filtering/DiffusionTensorImage/include/itkDiffusionTensor3DReconstructionImageFilter.h
+++ b/Modules/Filtering/DiffusionTensorImage/include/itkDiffusionTensor3DReconstructionImageFilter.h
@@ -249,7 +249,7 @@ class ITK_TEMPLATE_EXPORT DiffusionTensor3DReconstructionImageFilter
   {
     if (idx >= m_NumberOfGradientDirections)
     {
-      itkExceptionMacro(<< "Gradient direction " << idx << "does not exist");
+      itkExceptionMacro(<< "Gradient direction " << idx << " does not exist");
     }
     return m_GradientDirectionContainer->ElementAt(idx);
   }