Fix RTL compatibility previews

Enable the RTL compatibility samples to exercise compatibility mode, keep HTML block alignment explicit in compatibility mode, and avoid forcing paragraph alignment unless a containing block needs a shared side.

Co-authored-by: Codex <noreply@openai.com>

Author: omers-oai

android-sample/src/main/java/com/zachklipp/richtext/sample/RtlCompatibilityBehaviorSample.kt

@@ -102,7 +102,6 @@ private fun TableBehaviorPreview() {
       BehaviorSection(
         title = "Markdown table renders with RTL compatibility enabled",
         markdown = tableMarkdown,
-        richTextRenderOptions = RichTextRenderOptions(enableRtlCompatibility = true),
       )
     }
   }
@@ -139,7 +138,7 @@ private fun BehaviorPreviewColumn(
 private fun BehaviorSection(
   title: String,
   markdown: String,
-  richTextRenderOptions: RichTextRenderOptions = RichTextRenderOptions(),
+  richTextRenderOptions: RichTextRenderOptions = rtlCompatibilityOptions,
 ) {
   Column(
     modifier = Modifier.fillMaxWidth(),
@@ -169,6 +168,8 @@ private fun BehaviorMarkdown(
   }
 }
 
+private val rtlCompatibilityOptions = RichTextRenderOptions(enableRtlCompatibility = true)
+
 private val englishStartingQuoteMarkdown = """
   > English opens this quote.
   > אחר כך מופיעה עברית.

android-sample/src/main/java/com/zachklipp/richtext/sample/RtlCompatibilitySample.kt

@@ -117,12 +117,14 @@ private fun MarkdownCaseContent(
     RichText(modifier = Modifier.fillMaxWidth()) {
       Markdown(
         content = markdown,
-        richtextRenderOptions = RichTextRenderOptions(),
+        richtextRenderOptions = rtlCompatibilityOptions,
       )
     }
   }
 }
 
+private val rtlCompatibilityOptions = RichTextRenderOptions(enableRtlCompatibility = true)
+
 private data class PreviewVariant(
   val localeLabel: String,
   val layoutDirection: LayoutDirection,

richtext-markdown/src/commonMain/kotlin/com/halilibo/richtext/markdown/BasicMarkdown.kt

@@ -412,11 +412,15 @@ private val DefaultAstNodeComposer = object : AstBlockNodeComposer {
       }
 
       is AstHtmlBlock -> {
-        Text(text = richTextString {
-          appendInlineContent(content = InlineContent {
-            HtmlBlock(astNodeType.literal)
+        if (richTextRenderOptions.enableRtlCompatibility) {
+          HtmlBlock(astNodeType.literal)
+        } else {
+          Text(text = richTextString {
+            appendInlineContent(content = InlineContent {
+              HtmlBlock(astNodeType.literal)
+            })
           })
-        })
+        }
       }
 
       is AstLinkReferenceDefinition -> {

richtext-markdown/src/commonMain/kotlin/com/halilibo/richtext/markdown/MarkdownRichText.kt

@@ -97,8 +97,7 @@ internal fun RichTextScope.MarkdownRichText(
     renderOptions = richTextRenderOptions,
     sharedAnimationState = markdownAnimationState,
     decorations = richTextDecorations,
-    textAlign = LocalCompatibilityTextAlignOverride.current
-      ?: compatibilityDirection.toCompatibilityTextAlign(),
+    textAlign = LocalCompatibilityTextAlignOverride.current,
     textDirection = textDirection,
   )
 }