diff --git a/readme.md b/readme.md
index a083db2..b89f224 100644
--- a/readme.md
+++ b/readme.md
@@ -224,6 +224,9 @@ Handle project workflows in a unified way:
 * comment
 * drawing characters constants
 * handle errors
+* locales
+  * set unicode C
+  * set unicode language
 * packages
   * configure
     * apk
diff --git a/spcd/__init__.py b/spcd/__init__.py
index 4cf789e..0c17d01 100644
--- a/spcd/__init__.py
+++ b/spcd/__init__.py
@@ -62,6 +62,7 @@ def install_python_packages() -> None:
     run("pip", "install", "--upgrade", "pip")
     split()
     packages = [
+        "gitlint",
         "hatch",
         "mypy",
         "pelican",
diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index b947698..acc54f0 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -176,8 +176,10 @@ _spcd_step_wipe() {
 # │ _ │ txt │
 # ╰───┴─────╯
 
-_SPCD_TXT_LANGUAGE_ENGLISH="en"
-_SPCD_TXT_LANGUAGE_FRENCH="fr"
+_SPCD_TXT_CHARSET="utf8"
+_SPCD_TXT_LANGUAGE_DEFAULT="C"
+_SPCD_TXT_LANGUAGE_ENGLISH="en_US"
+_SPCD_TXT_LANGUAGE_FRENCH="fr_FR"
 
 _spcd_txt_pick() {
     case "${SPCD_TXT_LANGUAGE}" in
@@ -329,6 +331,33 @@ spcd_txt_get() {
     esac
 }
 
+spcd_txt_locale() {
+    # LANGUAGE
+    if [ -n "${1}" ]; then
+        spcd_step__locale__value="${1}"
+    else
+        spcd_step__locale__value="${_SPCD_TXT_LANGUAGE_DEFAULT}"
+    fi
+    spcd_step__locale__value="${spcd_step__locale__value}.${_SPCD_TXT_CHARSET}"
+    set -- \
+        "LANG" \
+        "LC_CTYPE" \
+        "LC_NUMERIC" \
+        "LC_TIME" \
+        "LC_COLLATE" \
+        "LC_MONETARY" \
+        "LC_MESSAGES" \
+        "LC_PAPER" \
+        "LC_NAME" \
+        "LC_ADDRESS" \
+        "LC_TELEPHONE" \
+        "LC_MEASUREMENT" \
+        "LC_IDENTIFICATION"
+    for spcd_step__locale__name in "${@}"; do
+        export "${spcd_step__locale__name}=\"${spcd_step__locale__value}\""
+    done
+}
+
 # ╭──────╮
 # │ step │
 # ╰──────╯
@@ -1324,6 +1353,8 @@ ${SPCD_PYTHON_ALIAS} / ${spcd_stp__name}"
 
 spcd_main() {
     # environment
+    spcd_txt_locale
+    #
     spcd_step_in "Environment"
     spcd_step_in "Defaults"
     spcd_step "Print defined"