diff --git a/scripts/hooks/pre-commit b/scripts/hooks/pre-commit
index 163a964..c35df39 100755
--- a/scripts/hooks/pre-commit
+++ b/scripts/hooks/pre-commit
@@ -37,8 +37,12 @@ if ! command -v emacs >/dev/null 2>&1; then
     exit 0
 fi
 
+# Keep this list in step with SCOPE in scripts/reindent.sh. They are two copies
+# of one decision, and they have already disagreed once: `tools` and `examples`
+# arrived with the documentation harness and were reindentable by hand while
+# neither this hook nor `--check` could see them.
 staged=$(git diff --cached --name-only --diff-filter=ACMR \
-         | grep -E '^(src|include|tests|util)/.*\.[ch]$' \
+         | grep -E '^(src|include|tests|util|tools|examples)/.*\.[ch]$' \
          | grep -v -x -F 'include/akgl/SDL_GameControllerDB.h' || true)
 
 if [ -z "$staged" ]; then
diff --git a/scripts/reindent.sh b/scripts/reindent.sh
index 2dc67af..3d2b2f8 100755
--- a/scripts/reindent.sh
+++ b/scripts/reindent.sh
@@ -19,7 +19,13 @@ elisp="$root/scripts/reindent.el"
 # Directories whose C sources are hand-maintained. Anything outside these is
 # vendored (deps/) or generated (include/akgl/SDL_GameControllerDB.h) and is
 # left alone.
-SCOPE='src include tests util'
+#
+# `tools` and `examples` joined the list with the documentation harness. Both
+# hold ordinary hand-written C -- the doc-example validators and the two
+# tutorial games -- and while they were outside the scope neither `--check` nor
+# the pre-commit hook could see them, so the one thing that keeps this tree a
+# fixed point of `indent-region` was not being applied to its newest sources.
+SCOPE='src include tests util tools examples'
 GENERATED='include/akgl/SDL_GameControllerDB.h'
 
 check=0