diff --git a/mdlm.sh b/mdlm.sh
index d73f426..f9c17d6 100755
--- a/mdlm.sh
+++ b/mdlm.sh
@@ -12,12 +12,14 @@ MDLM_VERSION="0.0.14"
 
 DEFAULT_LCM_LOCAL="English"
 
-MDLM_HEADER="<!-- @l10n:h -->"
-MDLM_P_OPEN="<!-- @l10n:p"
-MDLM_P_CLOSE="@l10n:p -->"
+MDLM_HEADER="<!-- l10n:select -->"
+
+MDLM_SECTION_OPEN="<!-- l10n:section"
+MDLM_SECTION_CLOSE="l10n:section -->"
 MDLM_P_TBD="TBD"
-MDLM_IGNORE_START="<!-- @l10n:ignore start -->"
-MDLM_IGNORE_END="<!-- @l10n:ignore end -->"
+
+MDLM_IGNORE_START="<!-- l10n:ignore start -->"
+MDLM_IGNORE_END="<!-- l10n:ignore end -->"
 
 MDLM_ADD_LINK="https://github.com/markdown-localization/markdown-localization-spec#workflow"
 
@@ -128,7 +130,7 @@ mdlm_copy_original_to_localized_file() {
   command echo "${HEADER}" > "${LCM_FILE}"
   command grep -v "${MDLM_HEADER}" "${ORIG_FILE}" \
     | sed -e "/$MDLM_IGNORE_START/,/$MDLM_IGNORE_END/d" \
-    | awk -v RS="(^|\n)#" -v popen="${MDLM_P_OPEN}" -v pclose="${MDLM_P_CLOSE}" -v ptbd="${MDLM_P_TBD}" \
+    | awk -v RS="(^|\n)#" -v popen="${MDLM_SECTION_OPEN}" -v pclose="${MDLM_SECTION_CLOSE}" -v ptbd="${MDLM_P_TBD}" \
       '{ if ($0) print popen "\n#" $0 pclose "\n" ptbd "\n"}' >> "${LCM_FILE}"
 }
 
@@ -282,8 +284,13 @@ mdlm_update_all_headers() {
 mdlm_original_diff() {
   diff --color="${USE_COLORS}" -B \
     <(grep -v "${MDLM_HEADER}" "${2}" \
-      | sed -e "/${MDLM_P_CLOSE}/,/${MDLM_P_OPEN}/d" -e "/${MDLM_P_OPEN}/d" -e "/$MDLM_IGNORE_START/,/$MDLM_IGNORE_END/d") \
-    <(grep -v "${MDLM_HEADER}" "${1}" | sed -e "/${MDLM_IGNORE_START}/,/${MDLM_IGNORE_END}/d")
+      | sed \
+        -e "/${MDLM_SECTION_CLOSE}/,/${MDLM_SECTION_OPEN}/d" \
+        -e "/${MDLM_SECTION_OPEN}/d" \
+        -e "/$MDLM_IGNORE_START/,/$MDLM_IGNORE_END/d") \
+    <(grep -v "${MDLM_HEADER}" "${1}" \
+      | sed \
+        -e "/${MDLM_IGNORE_START}/,/${MDLM_IGNORE_END}/d")
 }
 
 mdlm_get_file_localizations() {
diff --git a/test/example-localized/README-ar.md b/test/example-localized/README-ar.md
index 76297af..15b1f33 100644
--- a/test/example-localized/README-ar.md
+++ b/test/example-localized/README-ar.md
@@ -1,23 +1,23 @@
-[English](README.md) | [Русский](README-ru.md) | **[العَرَبِيَّة](README-ar.md)** | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+[English](README.md) | [Русский](README-ru.md) | **[العَرَبِيَّة](README-ar.md)** | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
-<!-- @l10n:ignore start -->
+<!-- l10n:ignore start -->
 ![l10n-sync-ar](https://github.com/markdown-localization/markdown-localization-spec/workflows/l10n-sync-ar/badge.svg)
-<!-- @l10n:ignore end -->
+<!-- l10n:ignore end -->
 
-<!-- @l10n:p
+<!-- l10n:section
 ## Example A
 
 Here is a text of example.
-@l10n:p -->
+l10n:section -->
 ## المثال أ
 
 هنا نص المثال. ترجم مع ترجمة جوجل.
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 ### المراجع
 
 بعض المراجع هنا.
diff --git a/test/example-localized/README-es.md b/test/example-localized/README-es.md
index c4b7c5e..e6ddd13 100644
--- a/test/example-localized/README-es.md
+++ b/test/example-localized/README-es.md
@@ -1,23 +1,23 @@
-[English](README.md) | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | **[Español](README-es.md)** | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+[English](README.md) | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | **[Español](README-es.md)** | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
-<!-- @l10n:ignore start -->
+<!-- l10n:ignore start -->
 ![l10n-sync-es](https://github.com/markdown-localization/markdown-localization-spec/workflows/l10n-sync-es/badge.svg)
-<!-- @l10n:ignore end -->
+<!-- l10n:ignore end -->
 
-<!-- @l10n:p
+<!-- l10n:section
 ## Example A
 
 Here is an outdated text of example.
-@l10n:p -->
+l10n:section -->
 ## Ejemplo A
 
 Aquí hay un texto de ejemplo. Traducido con Google Translate.
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 ### Referencias
 
 Algunas referencias aquí.
diff --git a/test/example-localized/README-fr.md b/test/example-localized/README-fr.md
index e193f31..ea34b10 100644
--- a/test/example-localized/README-fr.md
+++ b/test/example-localized/README-fr.md
@@ -1,23 +1,23 @@
-[English](README.md) | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | **[Français](README-fr.md)** | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+[English](README.md) | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | **[Français](README-fr.md)** | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
-<!-- @l10n:ignore start -->
+<!-- l10n:ignore start -->
 ![l10n-sync-fr](https://github.com/markdown-localization/markdown-localization-spec/workflows/l10n-sync-fr/badge.svg)
-<!-- @l10n:ignore end -->
+<!-- l10n:ignore end -->
 
-<!-- @l10n:p
+<!-- l10n:section
 ## Example A
 
 Here is a text of example.
-@l10n:p -->
+l10n:section -->
 ## Exemple A
 
 Voici un texte d'exemple. Traduit avec Google Translate.
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 ### Les références
 
 Quelques références ici.
diff --git a/test/example-localized/README-ru.md b/test/example-localized/README-ru.md
index d7da1fd..7138a2c 100644
--- a/test/example-localized/README-ru.md
+++ b/test/example-localized/README-ru.md
@@ -1,23 +1,23 @@
-[English](README.md) | **[Русский](README-ru.md)** | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+[English](README.md) | **[Русский](README-ru.md)** | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
-<!-- @l10n:ignore start -->
+<!-- l10n:ignore start -->
 ![l10n-sync-ru](https://github.com/markdown-localization/markdown-localization-spec/workflows/l10n-sync-ru/badge.svg)
-<!-- @l10n:ignore end -->
+<!-- l10n:ignore end -->
 
-<!-- @l10n:p
+<!-- l10n:section
 ## Example A
 
 Here is a text of example.
-@l10n:p -->
+l10n:section -->
 ## Пример А
 
 Здесь находится текст примера.
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 
 ### Ссылки
 
diff --git a/test/example-localized/README-zh-Hans.md b/test/example-localized/README-zh-Hans.md
index f636bcb..2dde060 100644
--- a/test/example-localized/README-zh-Hans.md
+++ b/test/example-localized/README-zh-Hans.md
@@ -1,23 +1,23 @@
-[English](README.md) | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | **[简体中文](README-zh-Hans.md)** | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+[English](README.md) | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | **[简体中文](README-zh-Hans.md)** | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
-<!-- @l10n:ignore start -->
+<!-- l10n:ignore start -->
 ![l10n-sync-zh-Hans](https://github.com/markdown-localization/markdown-localization-spec/workflows/l10n-sync-zh-Hans/badge.svg)
-<!-- @l10n:ignore end -->
+<!-- l10n:ignore end -->
 
-<!-- @l10n:p
+<!-- l10n:section
 ## Example A
 
 Here is a text of example.
-@l10n:p -->
+l10n:section -->
 ## 示例A
 
 这是一个示例文本。 用Google翻译翻译。
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 ### 参考
 
 这里有一些参考。
diff --git a/test/example-localized/README.md b/test/example-localized/README.md
index eadd78f..a23324d 100644
--- a/test/example-localized/README.md
+++ b/test/example-localized/README.md
@@ -1,4 +1,4 @@
-**[English](README.md)** | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+**[English](README.md)** | [Русский](README-ru.md) | [العَرَبِيَّة](README-ar.md) | [简体中文](README-zh-Hans.md) | [Español](README-es.md) | [Français](README-fr.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
 ## Example A
 
diff --git a/test/example-original/README-fr.md.en-it-fr.expected b/test/example-original/README-fr.md.en-it-fr.expected
index 05bb8bb..97734dd 100644
--- a/test/example-original/README-fr.md.en-it-fr.expected
+++ b/test/example-original/README-fr.md.en-it-fr.expected
@@ -1,15 +1,15 @@
-[English](README.md) | **[Français](README-fr.md)** | [Italiano](README-it.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
-<!-- @l10n:p
+[English](README.md) | **[Français](README-fr.md)** | [Italiano](README-it.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
+<!-- l10n:section
 ## Example A
 
 Here is a text of example.
-@l10n:p -->
+l10n:section -->
 TBD
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 TBD
 
diff --git a/test/example-original/README-it.md.en-it-fr.expected b/test/example-original/README-it.md.en-it-fr.expected
index b078a4c..bcc197c 100644
--- a/test/example-original/README-it.md.en-it-fr.expected
+++ b/test/example-original/README-it.md.en-it-fr.expected
@@ -1,16 +1,16 @@
-[English](README.md) | [Français](README-fr.md) | **[Italiano](README-it.md)** | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+[English](README.md) | [Français](README-fr.md) | **[Italiano](README-it.md)** | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
-<!-- @l10n:p
+<!-- l10n:section
 ## Example A
 
 Here is a text of example.
-@l10n:p -->
+l10n:section -->
 TBD
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 TBD
 
diff --git a/test/example-original/README-it.md.en-it.expected b/test/example-original/README-it.md.en-it.expected
index 313cdd5..9b872bb 100644
--- a/test/example-original/README-it.md.en-it.expected
+++ b/test/example-original/README-it.md.en-it.expected
@@ -1,16 +1,16 @@
-[English](README.md) | **[Italiano](README-it.md)** | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+[English](README.md) | **[Italiano](README-it.md)** | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 
-<!-- @l10n:p
+<!-- l10n:section
 ## Example A
 
 Here is a text of example.
-@l10n:p -->
+l10n:section -->
 TBD
 
-<!-- @l10n:p
+<!-- l10n:section
 ### References
 
 Some references here.
-@l10n:p -->
+l10n:section -->
 TBD
 
diff --git a/test/example-original/README.md.en-it-fr.expected b/test/example-original/README.md.en-it-fr.expected
index e7a6e20..726f3a4 100644
--- a/test/example-original/README.md.en-it-fr.expected
+++ b/test/example-original/README.md.en-it-fr.expected
@@ -1,4 +1,4 @@
-**[English](README.md)** | [Français](README-fr.md) | [Italiano](README-it.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+**[English](README.md)** | [Français](README-fr.md) | [Italiano](README-it.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 ## Example A
 
 Here is a text of example.
diff --git a/test/example-original/README.md.en-it.expected b/test/example-original/README.md.en-it.expected
index 8051ff8..730ed31 100644
--- a/test/example-original/README.md.en-it.expected
+++ b/test/example-original/README.md.en-it.expected
@@ -1,4 +1,4 @@
-**[English](README.md)** | [Italiano](README-it.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- @l10n:h -->
+**[English](README.md)** | [Italiano](README-it.md) | *[Add](https://github.com/markdown-localization/markdown-localization-spec#workflow)* <!-- l10n:select -->
 ## Example A
 
 Here is a text of example.