tidying before spiffy decode is merged
diff --git a/QCBOR.xcodeproj/project.pbxproj b/QCBOR.xcodeproj/project.pbxproj
index 1155fdb..1983591 100644
--- a/QCBOR.xcodeproj/project.pbxproj
+++ b/QCBOR.xcodeproj/project.pbxproj
@@ -55,6 +55,7 @@
 		E776E090214AE07500E67947 /* UsefulBuf.c in Sources */ = {isa = PBXBuildFile; fileRef = E776E08D214AE07500E67947 /* UsefulBuf.c */; };
 		E776E091214AE07500E67947 /* qcbor_decode.c in Sources */ = {isa = PBXBuildFile; fileRef = E776E08E214AE07500E67947 /* qcbor_decode.c */; };
 		E776E097214AE0C700E67947 /* cmd_line_main.c in Sources */ = {isa = PBXBuildFile; fileRef = E776E096214AE0C700E67947 /* cmd_line_main.c */; };
+		E7864766252CE63100A0C11B /* qcbor_err_to_str.c in Sources */ = {isa = PBXBuildFile; fileRef = E7864765252CE63100A0C11B /* qcbor_err_to_str.c */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -112,7 +113,7 @@
 		E73B575D2161CA7C0080D658 /* half_to_double_from_rfc7049.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = half_to_double_from_rfc7049.c; path = test/half_to_double_from_rfc7049.c; sourceTree = "<group>"; };
 		E73B57632161F8F70080D658 /* run_tests.c */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.c; name = run_tests.c; path = test/run_tests.c; sourceTree = "<group>"; tabWidth = 3; };
 		E73B57642161F8F80080D658 /* run_tests.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = run_tests.h; path = test/run_tests.h; sourceTree = "<group>"; };
-		E743D0E124AC516D0017899F /* example.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = example.c; sourceTree = "<group>"; };
+		E743D0E124AC516D0017899F /* example.c */ = {isa = PBXFileReference; indentWidth = 3; lastKnownFileType = sourcecode.c.c; path = example.c; sourceTree = "<group>"; tabWidth = 3; };
 		E743D0F224AC54600017899F /* example.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = example.h; sourceTree = "<group>"; };
 		E743D10824CEDE2D0017899F /* qcbor_spiffy_decode.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.h; name = qcbor_spiffy_decode.h; path = inc/qcbor/qcbor_spiffy_decode.h; sourceTree = "<group>"; tabWidth = 3; };
 		E743D11B24DD4EF50017899F /* QCBOR_Disable_HW_Float */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = QCBOR_Disable_HW_Float; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -128,6 +129,7 @@
 		E776E094214AE09700E67947 /* UsefulBuf.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.h; name = UsefulBuf.h; path = inc/UsefulBuf.h; sourceTree = "<group>"; tabWidth = 3; };
 		E776E096214AE0C700E67947 /* cmd_line_main.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = cmd_line_main.c; sourceTree = "<group>"; };
 		E776E161214EE19C00E67947 /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
+		E7864765252CE63100A0C11B /* qcbor_err_to_str.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = qcbor_err_to_str.c; path = src/qcbor_err_to_str.c; sourceTree = "<group>"; };
 		E78C91DE240C90C100F4CECE /* qcbor_decode.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.h; name = qcbor_decode.h; path = inc/qcbor/qcbor_decode.h; sourceTree = "<group>"; tabWidth = 3; };
 		E78C91DF240C90C100F4CECE /* qcbor_common.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.h; name = qcbor_common.h; path = inc/qcbor/qcbor_common.h; sourceTree = "<group>"; tabWidth = 3; };
 		E78C91E0240C90C100F4CECE /* qcbor_private.h */ = {isa = PBXFileReference; fileEncoding = 4; indentWidth = 3; lastKnownFileType = sourcecode.c.h; name = qcbor_private.h; path = inc/qcbor/qcbor_private.h; sourceTree = "<group>"; tabWidth = 3; };
@@ -209,6 +211,7 @@
 				E776E08D214AE07500E67947 /* UsefulBuf.c */,
 				E73B57582161CA690080D658 /* ieee754.c */,
 				E73B57572161CA680080D658 /* ieee754.h */,
+				E7864765252CE63100A0C11B /* qcbor_err_to_str.c */,
 			);
 			name = src;
 			sourceTree = "<group>";
@@ -417,6 +420,7 @@
 			files = (
 				E776E08F214AE07500E67947 /* qcbor_encode.c in Sources */,
 				E73B57592161CA690080D658 /* ieee754.c in Sources */,
+				E7864766252CE63100A0C11B /* qcbor_err_to_str.c in Sources */,
 				E73B575F2161CA7C0080D658 /* half_to_double_from_rfc7049.c in Sources */,
 				E73B57652161F8F80080D658 /* run_tests.c in Sources */,
 				E776E091214AE07500E67947 /* qcbor_decode.c in Sources */,