Use myst as primary topmatter key

Author: stevepiercy

docs/i18n-l10n/contributing-translations.md

@@ -1,9 +1,10 @@
 ---
-html_meta:
-  "description": "How to contribute to Plone core translations."
-  "property=og:description": "How to contribute to Plone core translations."
-  "property=og:title": "Contributing Plone Core Translations"
-  "keywords": "Plone, Internationalization, i18n, language, translation, localization"
+myst:
+  html_meta:
+    "description": "How to contribute to Plone core translations."
+    "property=og:description": "How to contribute to Plone core translations."
+    "property=og:title": "Contributing Plone Core Translations"
+    "keywords": "Plone, Internationalization, i18n, language, translation, localization"
 ---
 
 (contributing-plone-core-translations-label)=

docs/i18n-l10n/index.md

@@ -1,9 +1,10 @@
 ---
-html_meta:
-  "description": "Internationalization (i18n) and localization (l10n) in Plone 6"
-  "property=og:description": "Internationalization (i18n) and localization (l10n) in Plone 6"
-  "property=og:title": "Internationalization (i18n) and localization (l10n) in Plone 6"
-  "keywords": "Plone, Internationalization, i18n, language, translation, localization"
+myst:
+  html_meta:
+    "description": "Internationalization (i18n) and localization (l10n) in Plone 6"
+    "property=og:description": "Internationalization (i18n) and localization (l10n) in Plone 6"
+    "property=og:title": "Internationalization (i18n) and localization (l10n) in Plone 6"
+    "keywords": "Plone, Internationalization, i18n, language, translation, localization"
 ---
 
 (i18n-l10n-label)=

docs/i18n-l10n/language-negotiation.md

@@ -1,9 +1,10 @@
 ---
-html_meta:
-  "description": "Accessing and changing the language state of Plone programmatically."
-  "property=og:description": "Accessing and changing the language state of Plone programmatically."
-  "property=og:title": "Language negotiation"
-  "keywords": "Plone, Internationalization, i18n, language, negotiation, translation, localization"
+myst:
+  html_meta:
+    "description": "Accessing and changing the language state of Plone programmatically."
+    "property=og:description": "Accessing and changing the language state of Plone programmatically."
+    "property=og:title": "Language negotiation"
+    "keywords": "Plone, Internationalization, i18n, language, negotiation, translation, localization"
 ---
 
 (language-negotiation-label)=

docs/i18n-l10n/resync-translations.md

@@ -1,9 +1,10 @@
 ---
-html_meta:
-  "description": "How to create po files from source code."
-  "property=og:description": "How to create po files from source code."
-  "property=og:title": "Resync translations"
-  "keywords": "Plone, Internationalization, i18n, language, translate, content, localization"
+myst:
+  html_meta:
+    "description": "How to create po files from source code."
+    "property=og:description": "How to create po files from source code."
+    "property=og:title": "Resync translations"
+    "keywords": "Plone, Internationalization, i18n, language, translate, content, localization"
 ---
 
 (resync-translations-label)=

docs/i18n-l10n/translating-content.md

@@ -1,9 +1,10 @@
 ---
-html_meta:
-  "description": "Translating content items in Plone, creating translations programmatically, and working with translators."
-  "property=og:description": "Translating content items in Plone, creating translations programmatically, and working with translators."
-  "property=og:title": "Translating content"
-  "keywords": "Plone, Internationalization, i18n, language, translate, content, localization"
+myst:
+  html_meta:
+    "description": "Translating content items in Plone, creating translations programmatically, and working with translators."
+    "property=og:description": "Translating content items in Plone, creating translations programmatically, and working with translators."
+    "property=og:title": "Translating content"
+    "keywords": "Plone, Internationalization, i18n, language, translate, content, localization"
 ---
 
 (translating-content-label)=

docs/i18n-l10n/translating-text-strings.md

@@ -1,9 +1,10 @@
 ---
-html_meta:
-  "description": "Translating text strings in Plone"
-  "property=og:description": "Translating text strings in Plone"
-  "property=og:title": "Translating text strings"
-  "keywords": "Plone, Internationalization, i18n, language, translation, localization"
+myst:
+  html_meta:
+    "description": "Translating text strings in Plone"
+    "property=og:description": "Translating text strings in Plone"
+    "property=og:title": "Translating text strings"
+    "keywords": "Plone, Internationalization, i18n, language, translation, localization"
 ---
 
 (translating-text-strings-label)=