Document markup and improve choice tags

public/js/markup-parser-module.js

@@ -7,7 +7,7 @@ import { BaseModule } from './base-module.js';
 class MarkupParserModule extends BaseModule {
     constructor() {
         super('markup-parser', 'Markup Parser');
-        this.dependencies = [];
+        this.dependencies = ['game-config'];
         this.assetRoots = {
             images: '/images/',
             music: '/music/',
@@ -24,6 +24,9 @@ class MarkupParserModule extends BaseModule {
             'markdownToHtml',
             'markdownToPlainText',
             'smartypants',
+            'applyLocaleTypography',
+            'getTypographyLocale',
+            'normalizeDialogueQuotes',
             'escapeHtml',
             'normalizeParagraph',
             'buildParagraphBlock',
@@ -225,12 +228,38 @@ class MarkupParserModule extends BaseModule {
     }
 
     smartypants(text) {
-        return String(text)
+        const result = String(text)
             .replace(/---/g, '\u2014')
             .replace(/--/g, '\u2013')
             .replace(/\.\.\./g, '\u2026')
             .replace(/(^|[\s([{\u2014])"([^"]*)"/g, '$1\u201c$2\u201d')
             .replace(/(^|[\s([{\u2014])'([^']*)'/g, '$1\u2018$2\u2019');
+
+        return this.applyLocaleTypography(result);
+    }
+
+    applyLocaleTypography(text) {
+        const locale = this.getTypographyLocale();
+        if (locale.startsWith('de')) {
+            return this.normalizeDialogueQuotes(text);
+        }
+
+        return text;
+    }
+
+    getTypographyLocale() {
+        const gameConfig = this.getModule('game-config') || window.GameConfig;
+        const locale = gameConfig?.getLocale?.()
+            || gameConfig?.getConfig?.()?.metadata?.language
+            || 'en_US';
+
+        return String(locale).trim().toLowerCase().replace('_', '-');
+    }
+
+    normalizeDialogueQuotes(text) {
+        return String(text || '')
+            .replace(/&(ldquo|bdquo|laquo|raquo);([^&\n]+?)&(rdquo|ldquo|laquo|raquo);/gi, '»$2«')
+            .replace(/["\u201c\u201e\u201d\u00ab\u00bb]([^"\u201c\u201e\u201d\u00ab\u00bb\n]+?)["\u201c\u201d\u201e\u00ab\u00bb]/g, '»$1«');
     }
 
     escapeHtml(text) {