remove trailing spaces
diff --git a/cmd_line_main.c b/cmd_line_main.c
index b5e894d..f40c961 100644
--- a/cmd_line_main.c
+++ b/cmd_line_main.c
@@ -2,11 +2,11 @@
   cmd_line_mainc.c -- Runs tests for QCBOR encoder / decoder
 
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
- 
+
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
- 
+
  Created on 9/13/18
  ==============================================================================*/
 
diff --git a/src/ieee754.c b/src/ieee754.c
index 4ae8dd6..6fdfda8 100644
--- a/src/ieee754.c
+++ b/src/ieee754.c
@@ -1,12 +1,12 @@
 /*==============================================================================
  ieee754.c -- floating point conversion between half, double and single precision
- 
+
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
 
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
- 
+
  Created on 7/23/18
  ==============================================================================*/
 
diff --git a/src/ieee754.h b/src/ieee754.h
index dfe45fb..2530f98 100644
--- a/src/ieee754.h
+++ b/src/ieee754.h
@@ -1,12 +1,12 @@
 /*==============================================================================
  ieee754.c -- floating point conversion between half, double and single precision
- 
+
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
- 
+
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
- 
+
  Created on 7/23/18
  ==============================================================================*/
 
diff --git a/test/float_tests.c b/test/float_tests.c
index 970f8b6..eaf75aa 100644
--- a/test/float_tests.c
+++ b/test/float_tests.c
@@ -2,11 +2,11 @@
  float_tests.c -- tests for float and conversion to/from half-precision
 
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
- 
+
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
- 
+
  Created on 9/19/18
  ==============================================================================*/
 
diff --git a/test/float_tests.h b/test/float_tests.h
index dc281d8..b7174c8 100644
--- a/test/float_tests.h
+++ b/test/float_tests.h
@@ -2,9 +2,9 @@
  float_tests.h -- tests for float and conversion to/from half-precision
 
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
- 
+
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
 
  Created on 9/19/18
diff --git a/test/half_to_double_from_rfc7049.h b/test/half_to_double_from_rfc7049.h
index 9996547..9f69e35 100644
--- a/test/half_to_double_from_rfc7049.h
+++ b/test/half_to_double_from_rfc7049.h
@@ -1,12 +1,12 @@
 /*==============================================================================
  half_to_double_from_rfc7049.h -- interface to IETF float conversion code.
- 
+
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
- 
+
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
- 
+
  Created on 9/23/18
   ==============================================================================*/
 
diff --git a/test/run_tests.c b/test/run_tests.c
index b62ffbf..80402da 100644
--- a/test/run_tests.c
+++ b/test/run_tests.c
@@ -1,10 +1,10 @@
 /*==============================================================================
  run_tests.c -- test aggregator and results reporting
- 
+
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
- 
+
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
 
  Created on 9/30/18
diff --git a/test/run_tests.h b/test/run_tests.h
index 1ccf40a..734d4f8 100644
--- a/test/run_tests.h
+++ b/test/run_tests.h
@@ -4,9 +4,9 @@
  Copyright (c) 2018-2019, Laurence Lundblade. All rights reserved.
 
  SPDX-License-Identifier: BSD-3-Clause
- 
+
  See BSD-3-Clause license in README.md
- 
+
  Created 9/30/18
  ==============================================================================*/