diff --git a/.gitattributes b/.gitattributes
index a9c5470..d58dcc9 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,17 +1,85 @@
-*.c linguist-language=C
-*.cmake linguist-vendored
-*.cmd linguist-detectable=false
-*.cpp linguist-language=C++
-*.cxx linguist-language=C++
-*.dsp linguist-detectable=false
-*.dsw linguist-detectable=false
-*.h linguist-language=C
-*.hpp linguist-language=C++
-*.html linguist-detectable=false
-*.hxx linguist-language=C++
-*.sh linguist-detectable=false
-*.sln linguist-detectable=false
-*.vcxproj linguist-detectable=false
-*.vimrc linguist-detectable=false
-CMakeLists.txt linguist-vendored
-makefile linguist-detectable=false
+# .gitattributes — C (GitHub-hosted)
+#
+# Sources: GitHub Docs (line endings), git-scm gitattributes (diff=cpp),
+# gitattributes/gitattributes C++.gitattributes + Common.gitattributes,
+# github-linguist overrides.
+
+# Default: detect text, normalize to LF in the repository
+* text=auto
+
+# --- Source ---
+*.c text diff=cpp
+*.h text diff=cpp
+*.inc text
+*.inl text
+
+# --- Build / config ---
+*.am text
+*.cmake text
+*.m4 text
+*.mak text
+*.mk text
+*akefile text
+CMakeLists.txt text
+configure text eol=lf
+configure.ac text
+
+# --- Scripts ---
+*.bash text eol=lf
+*.bat text eol=crlf
+*.cmd text eol=crlf
+*.ps1 text eol=crlf
+*.sh text eol=lf
+*.zsh text eol=lf
+
+# --- Docs / meta ---
+*.adoc text
+*.markdown text diff=markdown
+*.md text diff=markdown
+*.txt text
+AUTHORS text
+CHANGELOG text
+CHANGES text
+CONTRIBUTING text
+COPYING text
+LICENSE text
+NEWS text
+README text
+TODO text
+.gitattributes text
+.gitignore text
+
+# --- Serialisation ---
+*.json text
+*.toml text
+*.xml text
+*.yaml text
+*.yml text
+
+# --- Compiled / binary artefacts ---
+*.a binary
+*.dll binary
+*.dylib binary
+*.exe binary
+*.gch binary
+*.lib binary
+*.o binary
+*.obj binary
+*.out binary
+*.pch binary
+*.so binary
+
+# --- Archives / images (common) ---
+*.gif binary
+*.gz binary
+*.ico binary
+*.jpeg binary
+*.jpg binary
+*.png binary
+*.tar binary
+*.zip binary
+
+# --- GitHub Linguist ---
+# Object / build trees if committed (prefer .gitignore; mark if present)
+**/build/** linguist-generated
+**/cmake-build-*/** linguist-generated
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 05d1e48..fe85f6f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,12 @@ on:
   push:
     branches:
       - master
+      - dev
       - boilerplate
+      - idiomatic
+      - rc1
+      - rc2
+      - rc3
   pull_request:
 
 concurrency:
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4044afc..46a7c2b 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,6 +5,8 @@
 		"editor.tabSize": 4,
 	},
 	"[c]": {
+		"editor.defaultFormatter": "ms-vscode.cpptools",
+		"editor.formatOnSave": true,
 		"editor.insertSpaces": true,
 		"editor.rulers": [ 60, 64, 68, 72, 76 ],
 		"editor.tabSize": 4,
@@ -14,6 +16,8 @@
 		"editor.tabSize": 4,
 	},
 	"[cpp]": {
+		"editor.defaultFormatter": "ms-vscode.cpptools",
+		"editor.formatOnSave": true,
 		"editor.insertSpaces": true,
 		"editor.rulers": [ 60, 64, 68, 72, 76 ],
 		"editor.tabSize": 4,
@@ -49,7 +53,17 @@
 		"editor.insertSpaces": true,
 		"editor.tabSize": 2,
 	},
+	"C_Cpp.autocompleteAddParentheses": true,
+	"C_Cpp.clang_format_fallbackStyle": "none",
+	"C_Cpp.clang_format_style": "file",
+	"C_Cpp.default.cStandard": "c17",
+	"C_Cpp.default.cppStandard": "c++17",
+	"C_Cpp.enhancedColorization": "enabled",
+	"C_Cpp.errorSquiggles": "enabled",
+	"C_Cpp.formatting": "clangFormat",
+	"C_Cpp.intelliSenseEngine": "default",
 	"cmake.configureOnOpen": false,
+	"debug.allowBreakpointsEverywhere": true,
 	"editor.detectIndentation": false,
 	"editor.insertSpaces": false,
 	"editor.renderWhitespace": "all",
@@ -128,6 +142,7 @@
 		"numeric": "cpp",
 		"optional": "cpp",
 		"ostream": "cpp",
+		"print": "cpp",
 		"queue": "cpp",
 		"random": "cpp",
 		"ranges": "cpp",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f05142a..5aa9d14 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -56,10 +56,16 @@ set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT
 
 # adhere strictly to C and C++ standards plus extensions. These are actually
 # useless since we do not compile anything; they merely state our intention.
-set(CMAKE_C_STANDARD 17)
+if(NOT CMAKE_C_STANDARD)
+
+	set(CMAKE_C_STANDARD 17)
+endif()
 set(CMAKE_C_STANDARD_REQUIRED ON)
 set(CMAKE_C_EXTENSIONS ON) # GNU extensions and POSIX standard
-set(CMAKE_CXX_STANDARD 17)
+if(NOT CMAKE_CXX_STANDARD)
+
+	set(CMAKE_CXX_STANDARD 17)
+endif()
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS ON)
 
@@ -181,11 +187,11 @@ include(GNUInstallDirs)
 # ##########################################################
 # tool
 
-add_executable(${PROJECT_NAME}
+add_executable(${PROJECT_NAME_LOWER}
 	main.c
 )
 
-target_compile_options(${PROJECT_NAME}
+target_compile_options(${PROJECT_NAME_LOWER}
 	PRIVATE
 		$<$<OR:$<C_COMPILER_ID:Clang>,$<C_COMPILER_ID:AppleClang>,$<C_COMPILER_ID:GNU>>:
 			-Werror -Wall -Wextra -pedantic
@@ -199,11 +205,11 @@ target_compile_options(${PROJECT_NAME}
 		>
 )
 
-target_link_libraries(${PROJECT_NAME}
+target_link_libraries(${PROJECT_NAME_LOWER}
 	$<$<STREQUAL:${STLSOFT_INCLUDE_DIR},>:STLSoft::STLSoft>
 )
 
-install(TARGETS ${PROJECT_NAME}
+install(TARGETS ${PROJECT_NAME_LOWER}
 	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
 
@@ -227,7 +233,7 @@ endif(BUILD_TESTING)
 # ##########################################################
 # completion
 
-message(NOTICE "Generating CMake build scripts for ${PROJECT_NAME} ${PROJECT_VERSION}, for C${CMAKE_C_STANDARD} C++${CMAKE_CXX_STANDARD}")
+message(NOTICE "Generating CMake build scripts for ${PROJECT_NAME} ${PROJECT_VERSION}, for C${CMAKE_C_STANDARD} C++${CMAKE_CXX_STANDARD}, with build type ${CMAKE_BUILD_TYPE}")
 
 
 # ############################## end of file ############################# #
diff --git a/README.md b/README.md
index ef5ffb6..99aace2 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ Windows CLI that writes messages to the debugger via **OutputDebugString**
 
 
 ![C](https://img.shields.io/badge/C-00599C?style=flat&logo=c&logoColor=white)
+![Windows](https://img.shields.io/badge/OS-Windows-0078D6?style=flat&logo=windows&logoColor=white)
 [![License](https://img.shields.io/badge/License-BSD_3--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
 [![GitHub release](https://img.shields.io/github/v/release/sistools/WriteDebugString.svg)](https://github.com/sistools/WriteDebugString/releases/latest)
 [![Last Commit](https://img.shields.io/github/last-commit/sistools/WriteDebugString)](https://github.com/sistools/WriteDebugString/commits/master)
@@ -75,10 +76,17 @@ Defect reports, feature requests, and pull requests are welcome on [the **WriteD
 
 ### Related projects
 
-Other (similar) projects include:
-
-* [**ReadDebugString**](https://github.com/sistools/ReadDebugString)
-* [**realpath**](https://github.com/sistools/realpath)
+Other **sistools** projects include:
+
+* [**chomp**](https://github.com/sistools/chomp);
+* [**errni**](https://github.com/sistools/errni) (errno on all platforms, and also GetLastError codes on Windows);
+* [**lnunique**](https://github.com/sistools/lnunique);
+* [**lslocales**](https://github.com/sistools/lslocales);
+* [**lstrip**](https://github.com/sistools/lstrip);
+* [**mksock**](https://github.com/sistools/mksock) (Unix-only);
+* [**ReadDebugString**](https://github.com/sistools/ReadDebugString) (Windows-only);
+* [**realpath**](https://github.com/sistools/realpath) (Windows-only);
+* [**rstrip**](https://github.com/sistools/rstrip);
 
 
 ### License
diff --git a/build_cmake.sh b/build_cmake.sh
index cca1448..3f261e7 100755
--- a/build_cmake.sh
+++ b/build_cmake.sh
@@ -1,8 +1,9 @@
 #! /bin/bash
 
 ScriptPath=$0
-Dir=$(cd $(dirname "$ScriptPath"); pwd)
+Dir=$(cd "$(dirname "$ScriptPath")" && pwd)
 Basename=$(basename "$ScriptPath")
+
 CMakeDir=${SIS_CMAKE_BUILD_DIR:-$Dir/_build}
 if [[ -n "$MSYSTEM" ]]; then
 
@@ -13,11 +14,31 @@ else
   DefaultMakeCmd=make
 fi
 MakeCmd=${SIS_CMAKE_MAKE_COMMAND:-${SIS_CMAKE_COMMAND:-$DefaultMakeCmd}}
+ProjectNameFile="$Dir/.sis/project_name.txt"
+ProjectName=$(tr -d '[:space:]' < "$ProjectNameFile")
 
 IgnoreRemainingFlagsAndOptions=0
 Targets=()
 
 
+# ##########################################################
+# colours
+
+if command -v tput > /dev/null; then
+
+  SisClr_Blue=${FG_BLUE:-$(tput setaf 4)}
+  SisClr_Red=${FG_RED:-$(tput setaf 1)}
+  SisClr_Bold=${FD_BOLD:-$(tput bold)}
+  SisClr_None=${FD_NONE:-$(tput sgr0)}
+else
+
+  SisClr_Blue=
+  SisClr_Red=
+  SisClr_Bold=
+  SisClr_None=
+fi
+
+
 # ##########################################################
 # functions
 
@@ -77,7 +98,7 @@ EOF
       ;;
     *)
 
-      >&2 echo "$ScriptPath: unrecognised argument '$1'; use --help for usage"
+      >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}unrecognised argument '$1'${SisClr_None}; use --help for usage"
 
       exit 1
       ;;
@@ -92,7 +113,7 @@ done
 
 if [ ! -d "$CMakeDir" ]; then
 
-  >&2 echo "$ScriptPath: CMake build directory '$CMakeDir' not found so nothing to do; use script 'prepare_cmake.sh' if you wish to prepare CMake artefacts"
+  >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}CMake build directory '$CMakeDir' not found${SisClr_None} so nothing to do; use script 'prepare_cmake.sh' if you wish to prepare CMake artefacts"
 
   exit 1
 else
@@ -101,7 +122,7 @@ else
 
   if [ ! -f "$CMakeDir/Makefile" ]; then
 
-    >&2 echo "$ScriptPath: CMake build directory '$CMakeDir' does not contain expected file 'Makefile', so a clean cannot be performed. It is recommended that you remove all CMake artefacts using script 'remove_cmake_artefacts.sh' followed by regeneration via 'prepare_cmake.sh'"
+    >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}CMake build directory '$CMakeDir' does not contain expected file 'Makefile'${SisClr_None}, so a clean cannot be performed. It is recommended that you remove all CMake artefacts using script 'remove_cmake_artefacts.sh' followed by regeneration via 'prepare_cmake.sh'"
 
     cd ->/dev/null
 
@@ -110,10 +131,10 @@ else
 
     if [ -z "$Targets" ]; then
 
-      echo "Executing build (via command \`$MakeCmd\`)"
+      echo "Executing build of ${SisClr_Blue}${SisClr_Bold}${ProjectName}${SisClr_None} (via command \`${SisClr_Blue}${SisClr_Bold}$MakeCmd${SisClr_None}\`)"
     else
 
-      echo "Executing build (via command \`$MakeCmd\`) with specific target(s) $(join_by , "${Targets[@]}")"
+      echo "Executing build of ${SisClr_Blue}${SisClr_Bold}${ProjectName}${SisClr_None} (via command \`${SisClr_Blue}${SisClr_Bold}$MakeCmd${SisClr_None}\`) with specific target(s) $(join_by , "${Targets[@]}")"
     fi
 
     $MakeCmd ${Targets[*]}
@@ -127,4 +148,3 @@ fi
 
 
 # ############################## end of file ############################# #
-
diff --git a/clean_cmake.sh b/clean_cmake.sh
index 886a201..96b6c07 100755
--- a/clean_cmake.sh
+++ b/clean_cmake.sh
@@ -1,8 +1,9 @@
 #! /bin/bash
 
 ScriptPath=$0
-Dir=$(cd $(dirname "$ScriptPath"); pwd)
+Dir=$(cd "$(dirname "$ScriptPath")" && pwd)
 Basename=$(basename "$ScriptPath")
+
 CMakeDir=${SIS_CMAKE_BUILD_DIR:-$Dir/_build}
 if [[ -n "$MSYSTEM" ]]; then
 
@@ -13,6 +14,26 @@ else
   DefaultMakeCmd=make
 fi
 MakeCmd=${SIS_CMAKE_MAKE_COMMAND:-${SIS_CMAKE_COMMAND:-$DefaultMakeCmd}}
+ProjectNameFile="$Dir/.sis/project_name.txt"
+ProjectName=$(tr -d '[:space:]' < "$ProjectNameFile")
+
+
+# ##########################################################
+# colours
+
+if command -v tput > /dev/null; then
+
+  SisClr_Blue=${FG_BLUE:-$(tput setaf 4)}
+  SisClr_Red=${FG_RED:-$(tput setaf 1)}
+  SisClr_Bold=${FD_BOLD:-$(tput bold)}
+  SisClr_None=${FD_NONE:-$(tput sgr0)}
+else
+
+  SisClr_Blue=
+  SisClr_Red=
+  SisClr_Bold=
+  SisClr_None=
+fi
 
 
 # ##########################################################
@@ -45,7 +66,7 @@ EOF
       ;;
     *)
 
-      >&2 echo "$ScriptPath: unrecognised argument '$1'; use --help for usage"
+      >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}unrecognised argument '$1'${SisClr_None}; use --help for usage"
 
       exit 1
       ;;
@@ -60,7 +81,7 @@ done
 
 if [ ! -d "$CMakeDir" ]; then
 
-  >&2 echo "$ScriptPath: CMake build directory '$CMakeDir' not found so nothing to do; use script 'prepare_cmake.sh' if you wish to prepare CMake artefacts"
+  >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}CMake build directory '$CMakeDir' not found${SisClr_None} so nothing to do; use script 'prepare_cmake.sh' if you wish to prepare CMake artefacts"
 
   exit 1
 else
@@ -69,14 +90,14 @@ else
 
   if [ ! -f "$CMakeDir/Makefile" ]; then
 
-    >&2 echo "$ScriptPath: CMake build directory '$CMakeDir' does not contain expected file 'Makefile', so a clean cannot be performed. It is recommended that you remove all CMake artefacts using script 'remove_cmake_artefacts.sh' followed by regeneration via 'prepare_cmake.sh'"
+    >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}CMake build directory '$CMakeDir' does not contain expected file 'Makefile'${SisClr_None}, so a clean cannot be performed. It is recommended that you remove all CMake artefacts using script 'remove_cmake_artefacts.sh' followed by regeneration via 'prepare_cmake.sh'"
 
     cd ->/dev/null
 
     exit 1
   else
 
-    echo "Cleaning build (via command \`$MakeCmd clean\`)"
+    echo "Cleaning ${SisClr_Blue}${SisClr_Bold}${ProjectName}${SisClr_None} (via command \`${SisClr_Blue}${SisClr_Bold}$MakeCmd clean${SisClr_None}\`)"
 
     $MakeCmd clean
     status=$?
@@ -89,4 +110,3 @@ fi
 
 
 # ############################## end of file ############################# #
-
diff --git a/prepare_cmake.sh b/prepare_cmake.sh
index d837045..417cb1b 100755
--- a/prepare_cmake.sh
+++ b/prepare_cmake.sh
@@ -1,8 +1,9 @@
 #! /bin/bash
 
 ScriptPath=$0
-Dir=$(cd $(dirname "$ScriptPath"); pwd)
+Dir=$(cd "$(dirname "$ScriptPath")" && pwd)
 Basename=$(basename "$ScriptPath")
+
 CMakeDir=${SIS_CMAKE_BUILD_DIR:-$Dir/_build}
 if [[ -n "$MSYSTEM" ]]; then
 
@@ -13,8 +14,11 @@ else
   DefaultMakeCmd=make
 fi
 MakeCmd=${SIS_CMAKE_MAKE_COMMAND:-${SIS_CMAKE_COMMAND:-$DefaultMakeCmd}}
+ProjectNameFile="$Dir/.sis/project_name.txt"
+ProjectName=$(tr -d '[:space:]' < "$ProjectNameFile")
 
 Configuration=Release
+CStandard=
 MSVC_MT=0
 MinGW="${MinGW:=0}"
 RunMake=0
@@ -23,12 +27,45 @@ TestingDisabled=0
 VerboseMakefile=0
 
 
+# ##########################################################
+# colours
+
+if command -v tput > /dev/null; then
+
+  SisClr_Blue=${FG_BLUE:-$(tput setaf 4)}
+  SisClr_Red=${FG_RED:-$(tput setaf 1)}
+  SisClr_Bold=${FD_BOLD:-$(tput bold)}
+  SisClr_None=${FD_NONE:-$(tput sgr0)}
+else
+
+  SisClr_Blue=
+  SisClr_Red=
+  SisClr_Bold=
+  SisClr_None=
+fi
+
+
 # ##########################################################
 # command-line handling
 
 while [[ $# -gt 0 ]]; do
 
   case $1 in
+    --c-standard)
+
+      shift
+      CStandard=$1
+      case $CStandard in
+        99|11|17|23)
+          ;;
+        *)
+
+          >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}invalid C standard '$CStandard'${SisClr_None}; expected 99, 11, 17, or 23"
+
+          exit 1
+          ;;
+      esac
+      ;;
     --cmake-verbose-makefile|-v)
 
       VerboseMakefile=1
@@ -70,6 +107,9 @@ Flags/options:
 
     behaviour:
 
+    --c-standard {99|11|17|23}
+        sets CMAKE_C_STANDARD (default is 11)
+
     -v
     --cmake-verbose-makefile
         configures CMake to run verbosely (by setting CMAKE_VERBOSE_MAKEFILE
@@ -114,7 +154,7 @@ EOF
       ;;
     *)
 
-      >&2 echo "$ScriptPath: unrecognised argument '$1'; use --help for usage"
+      >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}unrecognised argument '$1'${SisClr_None}; use --help for usage"
 
       exit 1
       ;;
@@ -131,16 +171,18 @@ mkdir -p $CMakeDir || exit 1
 
 cd $CMakeDir
 
-echo "Executing CMake (in ${CMakeDir})"
+echo "Executing CMake for ${SisClr_Blue}${SisClr_Bold}${ProjectName}${SisClr_None} (in ${SisClr_Blue}${SisClr_Bold}${CMakeDir}${SisClr_None})"
 
+if [ -z "$CStandard" ]; then CMakeCStandardVariable="" ; else CMakeCStandardVariable="-DCMAKE_C_STANDARD=$CStandard" ; fi
 if [ $MSVC_MT -eq 0 ]; then CMakeMsvcMtFlag="OFF" ; else CMakeMsvcMtFlag="ON" ; fi
-if [ -z $STLSoftDirGiven ]; then CMakeSTLSoftVariable="" ; else CMakeSTLSoftVariable="-DSTLSOFT=$STLSoftDirGiven/" ; fi
+if [ -z "$STLSoftDirGiven" ]; then CMakeSTLSoftVariable="" ; else CMakeSTLSoftVariable="-DSTLSOFT=$STLSoftDirGiven/" ; fi
 if [ $TestingDisabled -eq 0 ]; then CMakeBuildTestingFlag="ON" ; else CMakeBuildTestingFlag="OFF" ; fi
 if [ $VerboseMakefile -eq 0 ]; then CMakeVerboseMakefileFlag="OFF" ; else CMakeVerboseMakefileFlag="ON" ; fi
 
 if [ $MinGW -ne 0 ]; then
 
   cmake \
+    $CMakeCStandardVariable \
     $CMakeSTLSoftVariable \
     -DBUILD_TESTING:BOOL=$CMakeBuildTestingFlag \
     -DCMAKE_BUILD_TYPE=$Configuration \
@@ -151,6 +193,7 @@ if [ $MinGW -ne 0 ]; then
 else
 
   cmake \
+    $CMakeCStandardVariable \
     $CMakeSTLSoftVariable \
     -DBUILD_TESTING:BOOL=$CMakeBuildTestingFlag \
     -DCMAKE_BUILD_TYPE=$Configuration \
@@ -165,7 +208,7 @@ status=0
 
 if [ $RunMake -ne 0 ]; then
 
-  echo "Executing build (via command \`$MakeCmd\`)"
+  echo "Executing build (via command \`${SisClr_Blue}${SisClr_Bold}$MakeCmd${SisClr_None}\`)"
 
   $MakeCmd
   status=$?
@@ -183,4 +226,3 @@ exit $status
 
 
 # ############################## end of file ############################# #
-
diff --git a/remove_cmake_artefacts.sh b/remove_cmake_artefacts.sh
index 7416db9..992153f 100755
--- a/remove_cmake_artefacts.sh
+++ b/remove_cmake_artefacts.sh
@@ -1,9 +1,12 @@
 #! /bin/bash
 
 ScriptPath=$0
-Dir=$(cd $(dirname "$ScriptPath"); pwd)
+Dir=$(cd "$(dirname "$ScriptPath")" && pwd)
 Basename=$(basename "$ScriptPath")
+
 CMakeDir=${SIS_CMAKE_BUILD_DIR:-$Dir/_build}
+ProjectNameFile="$Dir/.sis/project_name.txt"
+ProjectName=$(tr -d '[:space:]' < "$ProjectNameFile")
 
 Directories=(
   CMakeFiles
@@ -24,6 +27,24 @@ Files=(
 )
 
 
+# ##########################################################
+# colours
+
+if command -v tput > /dev/null; then
+
+  SisClr_Blue=${FG_BLUE:-$(tput setaf 4)}
+  SisClr_Red=${FG_RED:-$(tput setaf 1)}
+  SisClr_Bold=${FD_BOLD:-$(tput bold)}
+  SisClr_None=${FD_NONE:-$(tput sgr0)}
+else
+
+  SisClr_Blue=
+  SisClr_Red=
+  SisClr_Bold=
+  SisClr_None=
+fi
+
+
 # ##########################################################
 # operating environment detection
 
@@ -78,7 +99,7 @@ EOF
       ;;
     *)
 
-      >&2 echo "$ScriptPath: unrecognised argument '$1'; use --help for usage"
+      >&2 echo "$ScriptPath: ${SisClr_Red}${SisClr_Bold}unrecognised argument '$1'${SisClr_None}; use --help for usage"
 
       exit 1
       ;;
@@ -93,12 +114,12 @@ done
 
 if [ ! -d "$CMakeDir" ]; then
 
-  echo "$ScriptPath: CMake build directory '$CMakeDir' not found so nothing to do; use script 'prepare_cmake.sh' if you wish to prepare CMake artefacts"
+  echo "$ScriptPath: CMake build directory '$CMakeDir' ${SisClr_Red}${SisClr_Bold}not found${SisClr_None} so nothing to do; use script 'prepare_cmake.sh' if you wish to prepare CMake artefacts"
 
   exit 0
 else
 
-  echo "Removing all cmake artefacts in '$CMakeDir'"
+  echo "Removing all ${SisClr_Blue}${SisClr_Bold}${ProjectName}${SisClr_None} cmake artefacts in '${SisClr_Blue}${SisClr_Bold}$CMakeDir${SisClr_None}'"
 
   num_dirs_removed=0
   num_files_removed=0
@@ -148,4 +169,3 @@ fi
 
 
 # ############################## end of file ############################# #
-
diff --git a/run_all_unit_tests.cmd b/run_all_unit_tests.cmd
index 8c88eae..8c11cf4 100644
--- a/run_all_unit_tests.cmd
+++ b/run_all_unit_tests.cmd
@@ -6,10 +6,10 @@ SET SCRIPT_DIRECTORY=%~dp0
 SET SCRIPT_PATH_DOC=%~n0[%~x0]
 IF DEFINED SIS_CMAKE_BUILD_DIR (
 
-	SET "CMAKE_DIR=%SIS_CMAKE_BUILD_DIR%"
+    SET "CMAKE_DIR=%SIS_CMAKE_BUILD_DIR%"
 ) ELSE (
 
-	SET "CMAKE_DIR=%SCRIPT_DIRECTORY%_build"
+    SET "CMAKE_DIR=%SCRIPT_DIRECTORY%_build"
 )
 
 SET ListOnly=0
@@ -17,12 +17,12 @@ SET Verbose=0
 SET status=0
 
 FOR %%a IN (%*) DO (
-	IF /I {--help}=={%%a} (
-		IF EXIST "%SCRIPT_DIRECTORY%.sis\script_info_lines.txt" (
+    IF /I {--help}=={%%a} (
+        IF EXIST "%SCRIPT_DIRECTORY%.sis\script_info_lines.txt" (
 
-			type "%SCRIPT_DIRECTORY%.sis\script_info_lines.txt"
-		)
-		ECHO ^
+            type "%SCRIPT_DIRECTORY%.sis\script_info_lines.txt"
+        )
+        ECHO ^
 
 Runs all ^(matching^) component and unit test programs ^
 
@@ -71,31 +71,31 @@ Flags/options: ^
             displays this help and terminates ^
 
 
-		EXIT /B 0
-	) ELSE IF /I {-l}=={%%a} (
-		SET ListOnly=1
-	) ELSE IF /I {--list-only}=={%%a} (
-		SET ListOnly=1
-	) ELSE IF /I {-M}=={%%a} (
-		REM no-op: this .cmd never invokes the build
-	) ELSE IF /I {--no-make}=={%%a} (
-		REM no-op: this .cmd never invokes the build
-	) ELSE IF /I {-v}=={%%a} (
-		SET Verbose=1
-	) ELSE IF /I {--verbose}=={%%a} (
-		SET Verbose=1
-	) ELSE (
-		ECHO %SCRIPT_PATH_DOC%: unrecognised argument '%%a'; use --help for usage 1>&2
-
-		EXIT /B 1
-	)
+        EXIT /B 0
+    ) ELSE IF /I {-l}=={%%a} (
+        SET ListOnly=1
+    ) ELSE IF /I {--list-only}=={%%a} (
+        SET ListOnly=1
+    ) ELSE IF /I {-M}=={%%a} (
+        REM no-op: this .cmd never invokes the build
+    ) ELSE IF /I {--no-make}=={%%a} (
+        REM no-op: this .cmd never invokes the build
+    ) ELSE IF /I {-v}=={%%a} (
+        SET Verbose=1
+    ) ELSE IF /I {--verbose}=={%%a} (
+        SET Verbose=1
+    ) ELSE (
+        ECHO %SCRIPT_PATH_DOC%: unrecognised argument '%%a'; use --help for usage 1>&2
+
+        EXIT /B 1
+    )
 )
 
 IF NOT EXIST "%CMAKE_DIR%" (
 
-	ECHO %SCRIPT_PATH_DOC%: CMake build directory '%CMAKE_DIR%' does not exist 1>&2
+    ECHO %SCRIPT_PATH_DOC%: CMake build directory '%CMAKE_DIR%' does not exist 1>&2
 
-	EXIT /B 1
+    EXIT /B 1
 )
 
 SET "ProjectName="
@@ -103,38 +103,38 @@ FOR /F "usebackq delims=" %%p IN ("%SCRIPT_DIRECTORY%.sis\project_name.txt") DO
 
 IF NOT DEFINED ProjectName (
 
-	ECHO %SCRIPT_PATH_DOC%: could not read project name from .sis\project_name.txt 1>&2
+    ECHO %SCRIPT_PATH_DOC%: could not read project name from .sis\project_name.txt 1>&2
 
-	EXIT /B 1
+    EXIT /B 1
 )
 
 IF !ListOnly! EQU 1 (
 
-	ECHO Listing all component and unit test programs
+    ECHO Listing all component and unit test programs
 ) ELSE (
 
-	ECHO Running all component and unit test programs
+    ECHO Running all component and unit test programs
 )
 
 FOR /F "usebackq delims=" %%f IN (`DIR /A:-D /B /S "%CMAKE_DIR%\*.exe" 2^>NUL ^| FINDSTR /I /R "!ProjectName!.*test.*\.exe$"`) DO (
-	IF !ListOnly! EQU 1 (
+    IF !ListOnly! EQU 1 (
 
-		ECHO would execute %%f:
-	) ELSE (
+        ECHO would execute %%f:
+    ) ELSE (
 
-		IF !Verbose! EQU 1 (
+        IF !Verbose! EQU 1 (
 
-			ECHO executing %%f:
-		)
+            ECHO executing %%f:
+        )
 
-		"%%f"
-		IF ERRORLEVEL 1 (
+        "%%f"
+        IF ERRORLEVEL 1 (
 
-			SET status=1
+            SET status=1
 
-			GOTO :done
-		)
-	)
+            GOTO :done
+        )
+    )
 )
 
 :done